Perfect Square
18008123985604 is a perfect square (4243598 × 4243598)
Eighteen trillion, eight billion, one hundred and twenty-three million, nine hundred and eighty-five thousand, six hundred and four.
18008123985604 is a perfect square (4243598 × 4243598)
18008123985604 is even
Previous even number is 18008123985602
Next even number is 18008123985606