252772168 has 32 divisors (see below), whose sum is σ = 517648320. Its totient is φ = 114760000.

The previous prime is 252772159. The next prime is 252772213. The reversal of 252772168 is 861277252.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 252772168.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132018 + ... + 133918.

It is an arithmetic number, because the mean of its divisors is an integer number (16176510).

Almost surely, 2^252772168 is an apocalyptic number.

It is an amenable number.

252772168 is an abundant number, since it is smaller than the sum of its proper divisors (264876152).

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

252772168 is a wasteful number, since it uses less digits than its factorization.

252772168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429 (or 3425 counting only the distinct ones).

The product of its digits is 94080, while the sum is 40.

The square root of 252772168 is about 15898.8102699542. The cubic root of 252772168 is about 632.2804462237.

The spelling of 252772168 in words is "two hundred fifty-two million, seven hundred seventy-two thousand, one hundred sixty-eight".