Hecho general: 164 is the atomic number of an element temporarily called Unhexquadium.
Hecho matemático: 164 is a zero of the Mertens function.
Trivia: 164 is the number of cards in the set Baseball Talk, released by Topps Baseball Card Company in 1989.
Fecha histórica: June 12th is the day in 2009 that a disputed presidential election in Iran leads to wide ranging protests in Iran and around the world.