168 (number)
168 is the natural number following 167 and preceding 169.
Mathematics
168 is a Dedekind number, and an idoneal numbers, and a Cunningham number,.
168 is the order of the second smallest nonabelian simple group From Hurwitz's [automorphisms theorem], 168 is the maximum possible number of automorphisms of a genus 3 Riemann surface, this maximum being achieved by the Klein quartic, whose symmetry group is.
Numerology
Some Chinese consider 168 a lucky number, because 一六八 Mandarin is roughly homophonous with the phrase "一路發" Mandarin which means "fortune all the way", or, as the United States Mint claims, "Prosperity Forever".