566163856 has 20 divisors (see below), whose sum is σ = 1099399500. Its totient is φ = 282447872.

The previous prime is 566163853. The next prime is 566163859. The reversal of 566163856 is 658361665.

It is an interprime number because it is at equal distance from previous prime (566163853) and next prime (566163859).

It can be written as a sum of positive squares in 2 ways, for example, as 109914256 + 456249600 = 10484^2 + 21360^2 .

It is not an unprimeable number, because it can be changed into a prime (566163853) 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, 32221 + ... + 46588.

It is an arithmetic number, because the mean of its divisors is an integer number (54969975).

Almost surely, 2^566163856 is an apocalyptic number.

It is an amenable number.

566163856 is a deficient number, since it is larger than the sum of its proper divisors (533235644).

566163856 is a wasteful number, since it uses less digits than its factorization.

566163856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79266 (or 79260 counting only the distinct ones).

The product of its digits is 777600, while the sum is 46.

The square root of 566163856 is about 23794.1979482394. The cubic root of 566163856 is about 827.2701995129.

The spelling of 566163856 in words is "five hundred sixty-six million, one hundred sixty-three thousand, eight hundred fifty-six".