Wolfram has a definition of "evil numbers" here: http://mathworld.wolfram.com/EvilNumber.html which include "beastly evil numbers".

Also there are "apocalypse numbers" http://mathworld.wolfram.com/ApocalypseNumber.html , "beast numbers" http://mathworld.wolfram.com/BeastNumber.html , "leviathan numbers" http://mathworld.wolfram.com/LeviathanNumber.html , and "legion's numbers" http://mathworld.wolfram.com/LegionsNumbers.html among others.