566113761 has 12 divisors (see below), whose sum is σ = 819238420. Its totient is φ = 376708320.

The previous prime is 566113739. The next prime is 566113771. The reversal of 566113761 is 167311665.

566113761 is a `hidden beast` number, since 5 + 6 + 611 + 37 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 397763136 + 168350625 = 19944^2 + 12975^2 .

It is not a de Polignac number, because 566113761 - 2¹³ = 566105569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (566113771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53266 + ... + 63003.

Almost surely, 2^566113761 is an apocalyptic number.

It is an amenable number.

566113761 is a deficient number, since it is larger than the sum of its proper divisors (253124659).

566113761 is a wasteful number, since it uses less digits than its factorization.

566113761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116816 (or 116813 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 566113761 is about 23793.1452523621. The cubic root of 566113761 is about 827.2457994371.

The spelling of 566113761 in words is "five hundred sixty-six million, one hundred thirteen thousand, seven hundred sixty-one".