68130937868 has 48 divisors (see below), whose sum is σ = 136602353664. Its totient is φ = 29126124480.

The previous prime is 68130937837. The next prime is 68130937873. The reversal of 68130937868 is 86873903186.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25354421 + ... + 25357107.

It is an arithmetic number, because the mean of its divisors is an integer number (2845882368).

Almost surely, 2^68130937868 is an apocalyptic number.

It is an amenable number.

68130937868 is an abundant number, since it is smaller than the sum of its proper divisors (68471415796).

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

68130937868 is a wasteful number, since it uses less digits than its factorization.

68130937868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622 (or 4620 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 59.

The spelling of 68130937868 in words is "sixty-eight billion, one hundred thirty million, nine hundred thirty-seven thousand, eight hundred sixty-eight".