306867691136 has 32 divisors (see below), whose sum is σ = 615088560000. Its totient is φ = 152492523264.

The previous prime is 306867691103. The next prime is 306867691157. The reversal of 306867691136 is 631196768603.

It is a tau number, because it is divible by the number of its divisors (32).

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, 7333136 + ... + 7374863.

It is an arithmetic number, because the mean of its divisors is an integer number (19221517500).

Almost surely, 2^306867691136 is an apocalyptic number.

It is an amenable number.

306867691136 is an abundant number, since it is smaller than the sum of its proper divisors (308220868864).

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

306867691136 is a wasteful number, since it uses less digits than its factorization.

306867691136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14708176 (or 14708164 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 306867691136 in words is "three hundred six billion, eight hundred sixty-seven million, six hundred ninety-one thousand, one hundred thirty-six".