Fatto generale: 61590 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 61590 is an unremarkable number.
Trivia: 61590 is an unremarkable number.
Data storica: August 16th is the day in 1896 that Skookum Jim Mason, George Carmack and Dawson Charlie discover gold in a tributary of the Klondike River in Canada, setting off the Klondike Gold Rush.