Sexto.
sesenta in spanish is sixty
"Sixty" is "sesenta" in Spanish.
Sesenta.
Sixty is "sesenta."
sesenta y seis
Seisenta y cuatro
two thousand sixty four = dos mil sesenta y cuatro
Sesenta y séis
sixty-six = sesenta y seis
trescientos sesenta y cinco
sesenta mille dos-cientos sesenta y cinco en Español
It is written like this: ' 65 '. When a Spanish speaker sees that written on the page, he says "seisenta y cinco".