207316520664 has 128 divisors (see below), whose sum is σ = 604382446080. Its totient is φ = 58626022400.

The previous prime is 207316520627. The next prime is 207316520737. The reversal of 207316520664 is 466025613702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 167427 + ... + 665330.

It is an arithmetic number, because the mean of its divisors is an integer number (4721737860).

Almost surely, 2^207316520664 is an apocalyptic number.

207316520664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

207316520664 is an abundant number, since it is smaller than the sum of its proper divisors (397065925416).

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

207316520664 is a wasteful number, since it uses less digits than its factorization.

207316520664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832841 (or 832837 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 207316520664 in words is "two hundred seven billion, three hundred sixteen million, five hundred twenty thousand, six hundred sixty-four".