252670656160 has 72 divisors (see below), whose sum is σ = 646384683420. Its totient is φ = 93293770752.

The previous prime is 252670656103. The next prime is 252670656197. The reversal of 252670656160 is 61656076252.

It can be written as a sum of positive squares in 6 ways, for example, as 1144333584 + 251526322576 = 33828^2 + 501524^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252670656160.

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, 4645125 + ... + 4699204.

Almost surely, 2^252670656160 is an apocalyptic number.

252670656160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252670656160 is an abundant number, since it is smaller than the sum of its proper divisors (393714027260).

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

252670656160 is a wasteful number, since it uses less digits than its factorization.

252670656160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9344370 (or 9344349 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 252670656160 in words is "two hundred fifty-two billion, six hundred seventy million, six hundred fifty-six thousand, one hundred sixty".