Hecho matemático: 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!).
Fecha histórica: February 5th is the day in 1869 that the largest alluvial gold nugget in history, called the "Welcome Stranger", is found in Moliagul, Victoria, Australia.