500921166880 has 48 divisors (see below), whose sum is σ = 1189433571480. Its totient is φ = 199351355392.

The previous prime is 500921166869. The next prime is 500921166883. The reversal of 500921166880 is 88661129005.

It can be written as a sum of positive squares in 4 ways, for example, as 459244760976 + 41676405904 = 677676^2 + 204148^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 500921166880.

It is not an unprimeable number, because it can be changed into a prime (500921166883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7914565 + ... + 7977604.

Almost surely, 2^500921166880 is an apocalyptic number.

It is an amenable number.

500921166880 is an abundant number, since it is smaller than the sum of its proper divisors (688512404600).

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

500921166880 is a wasteful number, since it uses less digits than its factorization.

500921166880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15892381 (or 15892373 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 46.

The spelling of 500921166880 in words is "five hundred billion, nine hundred twenty-one million, one hundred sixty-six thousand, eight hundred eighty".