Il numero romano MMCMLXVI nel sistema decimale vale: 2966.
MMCMLXVI in latino si scrive duo milia nongenti sexaginta sex,
mentre in italiano duemilanovecentosessantasei.
MMCMXLVII, MMCMXLVIII, MMCMXLIX, MMCML, MMCMLI, MMCMLII, MMCMLIII, MMCMLIV, MMCMLV, MMCMLVI, MMCMLVII, MMCMLVIII, MMCMLIX, MMCMLX, MMCMLXI, MMCMLXII, MMCMLXIII, MMCMLXIV, MMCMLXV, MMCMLXVII, MMCMLXVIII, MMCMLXIX, MMCMLXX, MMCMLXXI, MMCMLXXII, MMCMLXXIII, MMCMLXXIV, MMCMLXXV, MMCMLXXVI, MMCMLXXVII, MMCMLXXVIII, MMCMLXXIX, MMCMLXXX, MMCMLXXXI, MMCMLXXXII, MMCMLXXXIII, MMCMLXXXIV, MMCMLXXXV