252216626364 has 48 divisors (see below), whose sum is σ = 658283556000. Its totient is φ = 83507960448.

The previous prime is 252216626323. The next prime is 252216626381. The reversal of 252216626364 is 463626612252.

252216626364 is a `hidden beast` number, since 2 + 5 + 2 + 2 + 1 + 6 + 6 + 2 + 636 + 4 = 666.

252216626364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×252216626364² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7820617 + ... + 7852800.

It is an arithmetic number, because the mean of its divisors is an integer number (13714240750).

Almost surely, 2^252216626364 is an apocalyptic number.

It is an amenable number.

252216626364 is an abundant number, since it is smaller than the sum of its proper divisors (406066929636).

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

252216626364 is a wasteful number, since it uses less digits than its factorization.

252216626364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15673579 (or 15673571 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 45.

The spelling of 252216626364 in words is "two hundred fifty-two billion, two hundred sixteen million, six hundred twenty-six thousand, three hundred sixty-four".