252060691968 has 80 divisors (see below), whose sum is σ = 746117193360. Its totient is φ = 84020226048.

The previous prime is 252060691901. The next prime is 252060691979. The reversal of 252060691968 is 869196060252.

It is a happy number.

252060691968 is a `hidden beast` number, since 2 + 5 + 20 + 606 + 9 + 1 + 9 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 9102955 + ... + 9130602.

It is an arithmetic number, because the mean of its divisors is an integer number (9326464917).

Almost surely, 2^252060691968 is an apocalyptic number.

It is an amenable number.

252060691968 is an abundant number, since it is smaller than the sum of its proper divisors (494056501392).

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

252060691968 is an equidigital number, since it uses as much as digits as its factorization.

252060691968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18233584 (or 18233562 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 54.

The spelling of 252060691968 in words is "two hundred fifty-two billion, sixty million, six hundred ninety-one thousand, nine hundred sixty-eight".