Il numero romano MMMCDLXVI nel sistema decimale vale: 3466.
MMMCDLXVI in latino si scrive tria milia quadringenti sexaginta sex,
mentre in italiano tremilaquattrocentosessantasei.
MMMCDXLVII, MMMCDXLVIII, MMMCDXLIX, MMMCDL, MMMCDLI, MMMCDLII, MMMCDLIII, MMMCDLIV, MMMCDLV, MMMCDLVI, MMMCDLVII, MMMCDLVIII, MMMCDLIX, MMMCDLX, MMMCDLXI, MMMCDLXII, MMMCDLXIII, MMMCDLXIV, MMMCDLXV, MMMCDLXVII, MMMCDLXVIII, MMMCDLXIX, MMMCDLXX, MMMCDLXXI, MMMCDLXXII, MMMCDLXXIII, MMMCDLXXIV, MMMCDLXXV, MMMCDLXXVI, MMMCDLXXVII, MMMCDLXXVIII, MMMCDLXXIX, MMMCDLXXX, MMMCDLXXXI, MMMCDLXXXII, MMMCDLXXXIII, MMMCDLXXXIV, MMMCDLXXXV