566193980 has 48 divisors (see below), whose sum is σ = 1332174816. Its totient is φ = 200321280.

The previous prime is 566193949. The next prime is 566193983. The reversal of 566193980 is 89391665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566193983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26639 + ... + 42918.

It is an arithmetic number, because the mean of its divisors is an integer number (27753642).

Almost surely, 2^566193980 is an apocalyptic number.

It is an amenable number.

566193980 is an abundant number, since it is smaller than the sum of its proper divisors (765980836).

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

566193980 is a wasteful number, since it uses less digits than its factorization.

566193980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69614 (or 69612 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 566193980 is about 23794.8309512802. The cubic root of 566193980 is about 827.2848714995.

The spelling of 566193980 in words is "five hundred sixty-six million, one hundred ninety-three thousand, nine hundred eighty".