66453503202 has 12 divisors (see below), whose sum is σ = 143982590310. Its totient is φ = 22151167728.

The previous prime is 66453503173. The next prime is 66453503261. The reversal of 66453503202 is 20230535466.

66453503202 is a `hidden beast` number, since 6 + 645 + 3 + 5 + 0 + 3 + 2 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 48201763401 + 18251739801 = 219549^2 + 135099^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1845930627 + ... + 1845930662.

Almost surely, 2^66453503202 is an apocalyptic number.

66453503202 is an abundant number, since it is smaller than the sum of its proper divisors (77529087108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66453503202 is a wasteful number, since it uses less digits than its factorization.

66453503202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691861297 (or 3691861294 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 66453503202 in words is "sixty-six billion, four hundred fifty-three million, five hundred three thousand, two hundred two".