What is DCLXIV in Roman Numerals?

What is the value of DCLXIV in Roman numerals?

The Roman numeral DCLXIV is equivalent to 664 in Arabic numerals.

Therefore, if you want to write the digit 664 using Roman symbols, you must use the letter combination DCLXIV. This letter combination is equivalent in Roman writing to the Arabic numeral Six hundred sixty four.

DCLXIV = 664

How should the Roman numeral DCLXIV be read?

It should be noted that Roman letters symbolizing numbers should be read and written from left to right and in the order from largest to smallest.

If the Roman numeral DCLXIV is found in a text, it should be read as a natural number, that is, in this case it should be read as "Six hundred sixty four".