566591984 has 20 divisors (see below), whose sum is σ = 1254596784. Its totient is φ = 242825088.

The previous prime is 566591983. The next prime is 566592001. The reversal of 566591984 is 489195665.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566591981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2529317 + ... + 2529540.

Almost surely, 2^566591984 is an apocalyptic number.

It is an amenable number.

566591984 is an abundant number, since it is smaller than the sum of its proper divisors (688004800).

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

566591984 is a wasteful number, since it uses less digits than its factorization.

566591984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5058872 (or 5058866 counting only the distinct ones).

The product of its digits is 2332800, while the sum is 53.

The square root of 566591984 is about 23803.1927270272. The cubic root of 566591984 is about 827.4786717272.

The spelling of 566591984 in words is "five hundred sixty-six million, five hundred ninety-one thousand, nine hundred eighty-four".