68331626868 has 24 divisors (see below), whose sum is σ = 164583704320. Its totient is φ = 22042460160.

The previous prime is 68331626851. The next prime is 68331626933. The reversal of 68331626868 is 86862613386.

It is a super-2 number, since 2×68331626868² (a number of 22 digits) contains 22 as substring.

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, 91843213 + ... + 91843956.

Almost surely, 2^68331626868 is an apocalyptic number.

It is an amenable number.

68331626868 is an abundant number, since it is smaller than the sum of its proper divisors (96252077452).

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

68331626868 is a wasteful number, since it uses less digits than its factorization.

68331626868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183687207 (or 183687205 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 57.

The spelling of 68331626868 in words is "sixty-eight billion, three hundred thirty-one million, six hundred twenty-six thousand, eight hundred sixty-eight".