#666 — Instagram Hashtag Analysis

With 3.4M total posts and 93 new posts daily, #666 is a very high-competition hashtag (score: 95/100). Average posts get 1.5K likes and 6 comments.

Popular Hashtags for #666

HashtagPostsDailyAvg LikesCompetitionReach
#satan3.4M931.5K9547
#metal39.5M3.6K5.3K10061
#blackmetal6.3M73760410033
#satanic1.2M201.4K4057
#goth25.0M2.8K1.0K10044

Related Hashtags to #666

HashtagPostsDailyAvg LikesCompetitionReach
#devil7.4M851.7K8956
#metalhead11.2M1.2K1.8K10058
#deathmetal7.0M1.1K1.1K10063
#gothic17.9M1.9K1.8K10062
#lucifer3.4M1461.1K10048

Similar Hashtags to #666

HashtagPostsDailyAvg LikesCompetitionReach
#666partywiththedevilbitch51.5K72.5K759
#666😈71.0K12.5K365
#6662388021.0K4955432
#fashionicon6667.2K141110
#7866653.6K81.3K745

Hashtag Cloud

#art#dark#alternative#hailsatan#punk#darkart#grunge#love#satanism#777#999#tattoo#demon#hell#444#333#altgirl#alternativegirl#666partywiththedevilbitch#222#heavymetal#555#phonk#grungeaesthetic#occult#888#emo#baphomet#egirl#aesthetics#gig#drummer#darkvibes#phonkmusic#epic#guitarist#metalfriends#hardmusic#softgrunge#metalvocals#metalkoncert#tumblrgirl#grungeaesthetics#death#satanist#witch#black#tumblraesthetic#grungeaccount#111#aestheticfeed#music#hardcorepunk#outfitinspo#90sfashion#aestheticposts#aestheticstyle#softgrungeaesthetic#evil#retrogirls#chillhopchoice#aestheticclothes#greyaesthetic#aestheticblog#tumblrstyle#aestheticoutfits#gothgirl#concert#lightaesthetic#viral#playhardorgohome#fyp#underground#metalconcert#life#halloween#aesthetic#heavymusic#tattoos#musicismydrug#artist#darkness#koncert#endtimes#metalowykoncert#fashion#avesatanas#rock#witchcraft#photography

How to Use #666 on Instagram

  1. Mix with niche hashtags — #666 has very high competition. Combine it with smaller, more specific hashtags to improve your visibility.
  2. Use 5-15 hashtags per post — Include #666 alongside related tags for the best reach. Don't just use one hashtag.
  3. Combine with related hashtags — Try pairing #666 with #devil, #metalhead, #deathmetal for a well-rounded hashtag set.
  4. Check for banned hashtags — Always verify your hashtags are safe before posting. Use the IQHashtags Banned Hashtag Checker.

Frequently Asked Questions

How popular is #666 on Instagram?

#666 has 3.4M total posts on Instagram with approximately 93 new posts added daily. The average post using #666 receives 1.5K likes and 6 comments.

Is #666 a good hashtag to use?

#666 has a competition score of 95/100 (very high) and a reach score of 47/100. This is a competitive hashtag — best used alongside smaller, niche-specific tags.

What hashtags go well with #666?

The best hashtags to use with #666 include: #devil, #metalhead, #deathmetal, #gothic, #lucifer. Using a mix of related hashtags helps you reach a wider audience while staying relevant to your content.

Editorial transparency: This article was drafted with AI assistance using IQ Hashtags' internal platform data and research, then reviewed and edited for accuracy by Ewa Suwińska, Editorial Lead at IQ Hashtags. Last reviewed: 2026-06-04. Learn about our editorial process →

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