668925333252 has 36 divisors (see below), whose sum is σ = 1844612283696. Its totient is φ = 202704646320.

The previous prime is 668925333239. The next prime is 668925333269. The reversal of 668925333252 is 252333529866.

668925333252 is a `hidden beast` number, since 6 + 6 + 8 + 9 + 253 + 332 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×668925333252² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 844602298 + ... + 844603089.

Almost surely, 2^668925333252 is an apocalyptic number.

It is an amenable number.

668925333252 is an abundant number, since it is smaller than the sum of its proper divisors (1175686950444).

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

668925333252 is a wasteful number, since it uses less digits than its factorization.

668925333252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689205408 (or 1689205403 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 54.

The spelling of 668925333252 in words is "six hundred sixty-eight billion, nine hundred twenty-five million, three hundred thirty-three thousand, two hundred fifty-two".