206332707864 has 32 divisors (see below), whose sum is σ = 529773171120. Its totient is φ = 66918715776.

The previous prime is 206332707851. The next prime is 206332707913. The reversal of 206332707864 is 468707233602.

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, 116177439 + ... + 116179214.

Almost surely, 2^206332707864 is an apocalyptic number.

206332707864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206332707864 is an abundant number, since it is smaller than the sum of its proper divisors (323440463256).

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

206332707864 is a wasteful number, since it uses less digits than its factorization.

206332707864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232356699 (or 232356695 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 206332707864 in words is "two hundred six billion, three hundred thirty-two million, seven hundred seven thousand, eight hundred sixty-four".