500665166600 has 24 divisors (see below), whose sum is σ = 1164046512810. Its totient is φ = 200266066560.

The previous prime is 500665166531. The next prime is 500665166621. The reversal of 500665166600 is 6661566005.

It can be written as a sum of positive squares in 3 ways, for example, as 194034964036 + 306630202564 = 440494^2 + 553742^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1251662717 + ... + 1251663116.

Almost surely, 2^500665166600 is an apocalyptic number.

500665166600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

500665166600 is an abundant number, since it is smaller than the sum of its proper divisors (663381346210).

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

500665166600 is a wasteful number, since it uses less digits than its factorization.

500665166600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503325849 (or 2503325840 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 500665166600 in words is "five hundred billion, six hundred sixty-five million, one hundred sixty-six thousand, six hundred".