566138770 has 16 divisors (see below), whose sum is σ = 1026831168. Its totient is φ = 224726320.

The previous prime is 566138753. The next prime is 566138773. The reversal of 566138770 is 77831665.

It is a super-2 number, since 2×566138770² = 641026213794225800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (566138773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214774 + ... + 217393.

It is an arithmetic number, because the mean of its divisors is an integer number (64176948).

Almost surely, 2^566138770 is an apocalyptic number.

566138770 is a deficient number, since it is larger than the sum of its proper divisors (460692398).

566138770 is a wasteful number, since it uses less digits than its factorization.

566138770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432305.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 566138770 is about 23793.6707970838. The cubic root of 566138770 is about 827.2579809025.

The spelling of 566138770 in words is "five hundred sixty-six million, one hundred thirty-eight thousand, seven hundred seventy".