566252566 has 16 divisors (see below), whose sum is σ = 938327040. Its totient is φ = 254128680.

The previous prime is 566252563. The next prime is 566252627. The reversal of 566252566 is 665252665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566252563) 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, 161166 + ... + 164641.

It is an arithmetic number, because the mean of its divisors is an integer number (58645440).

Almost surely, 2^566252566 is an apocalyptic number.

566252566 is a deficient number, since it is larger than the sum of its proper divisors (372074474).

566252566 is a wasteful number, since it uses less digits than its factorization.

566252566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325899.

The product of its digits is 648000, while the sum is 43.

The square root of 566252566 is about 23796.0619851269. The cubic root of 566252566 is about 827.3134045003.

Subtracting 566252566 from its reverse (665252665), we obtain a palindrome (99000099).

The spelling of 566252566 in words is "five hundred sixty-six million, two hundred fifty-two thousand, five hundred sixty-six".