566516556500 has 48 divisors (see below), whose sum is σ = 1240503054336. Its totient is φ = 226014884000.

The previous prime is 566516556497. The next prime is 566516556527. The reversal of 566516556500 is 5655615665.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1287656 + ... + 1670655.

It is an arithmetic number, because the mean of its divisors is an integer number (25843813632).

Almost surely, 2^566516556500 is an apocalyptic number.

566516556500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

566516556500 is an abundant number, since it is smaller than the sum of its proper divisors (673986497836).

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

566516556500 is a wasteful number, since it uses less digits than its factorization.

566516556500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958713 (or 2958701 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 50.

The spelling of 566516556500 in words is "five hundred sixty-six billion, five hundred sixteen million, five hundred fifty-six thousand, five hundred".