250520664 has 16 divisors (see below), whose sum is σ = 626301720. Its totient is φ = 83506880.

The previous prime is 250520657. The next prime is 250520689. The reversal of 250520664 is 466025052.

250520664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 5219157 + ... + 5219204.

Almost surely, 2^250520664 is an apocalyptic number.

250520664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

250520664 is an abundant number, since it is smaller than the sum of its proper divisors (375781056).

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

250520664 is a wasteful number, since it uses less digits than its factorization.

250520664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10438370 (or 10438366 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 250520664 is about 15827.8445784636. The cubic root of 250520664 is about 630.3975520510.

The spelling of 250520664 in words is "two hundred fifty million, five hundred twenty thousand, six hundred sixty-four".