207250664 has 16 divisors (see below), whose sum is σ = 388790820. Its totient is φ = 103573120.

The previous prime is 207250639. The next prime is 207250679. The reversal of 207250664 is 466052702.

It can be written as a sum of positive squares in 2 ways, for example, as 203290564 + 3960100 = 14258^2 + 1990^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 207250664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14222 + ... + 24834.

Almost surely, 2^207250664 is an apocalyptic number.

It is an amenable number.

207250664 is a deficient number, since it is larger than the sum of its proper divisors (181540156).

207250664 is a wasteful number, since it uses less digits than its factorization.

207250664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13060 (or 13056 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 207250664 is about 14396.2031105427. The cubic root of 207250664 is about 591.7868495485.

The spelling of 207250664 in words is "two hundred seven million, two hundred fifty thousand, six hundred sixty-four".