Il numero 664, seicentosessantaquattro in Italiano, in Inglese si dice six hundred sixty-four.
Il numero ordinale 664° in inglese si dice six hundred sixty-fourth.
655: six hundred fifty-five
656: six hundred fifty-six
657: six hundred fifty-seven
658: six hundred fifty-eight
659: six hundred fifty-nine
660: six hundred sixty
661: six hundred sixty-one
662: six hundred sixty-two
663: six hundred sixty-three
665: six hundred sixty-five
666: six hundred sixty-six
667: six hundred sixty-seven
668: six hundred sixty-eight
669: six hundred sixty-nine
670: six hundred seventy
671: six hundred seventy-one
672: six hundred seventy-two
673: six hundred seventy-three