252407287168 has 16 divisors (see below), whose sum is σ = 502842642660. Its totient is φ = 126203643520.

The previous prime is 252407287141. The next prime is 252407287193. The reversal of 252407287168 is 861782704252.

252407287168 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 985965838 + ... + 985966093.

Almost surely, 2^252407287168 is an apocalyptic number.

It is an amenable number.

252407287168 is a deficient number, since it is larger than the sum of its proper divisors (250435355492).

252407287168 is an equidigital number, since it uses as much as digits as its factorization.

252407287168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971931945 (or 1971931933 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 252407287168 in words is "two hundred fifty-two billion, four hundred seven million, two hundred eighty-seven thousand, one hundred sixty-eight".