Mathematical fact: 9168 is 27504 / 3, and each digit is contained in the equation exactly once.
Trivia: 9168 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Historical date: February 5th is the day in 2009 that the United States Navy guided missile cruiser USS Port Royal runs aground off Oahu, Hawaii, damaging the ship as well as a coral reef.