SIXTY-SIXsixty-six · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:SIXTY-SIXTier 1Ordinal149Pythagorean41Classical137Reverse67Reverse Reduction49Standard870Final Large870Ordinal150Reduced33Atbash161Isopsephy1240Ordinal133Abjad710