DCLXII is a Roman numeral that represents the number 662. Roman numerals are a numeral system originating from ancient Rome, using combinations of letters from the Latin alphabet. In this case, "D" stands for 500, "C" for 100, "L" for 50, and "XII" for 12, which together add up to 662. Roman numerals are often used today in various contexts, such as in the naming of monarchs and popes, or to denote the year of publication in books and movies. For example, the Super Bowl is often referred to using Roman numerals, with the most recent being Super Bowl LVII for 57.