252321875616 has 24 divisors (see below), whose sum is σ = 662344923744. Its totient is φ = 84107291840.

The previous prime is 252321875593. The next prime is 252321875627. The reversal of 252321875616 is 616578123252.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1314176340 + ... + 1314176531.

It is an arithmetic number, because the mean of its divisors is an integer number (27597705156).

Almost surely, 2^252321875616 is an apocalyptic number.

It is an amenable number.

252321875616 is an abundant number, since it is smaller than the sum of its proper divisors (410023048128).

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

252321875616 is a wasteful number, since it uses less digits than its factorization.

252321875616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628352884 (or 2628352876 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 48.

Adding to 252321875616 its reverse (616578123252), we get a palindrome (868899998868).

The spelling of 252321875616 in words is "two hundred fifty-two billion, three hundred twenty-one million, eight hundred seventy-five thousand, six hundred sixteen".