566566065 has 96 divisors (see below), whose sum is σ = 1097800704. Its totient is φ = 268531200.

The previous prime is 566566031. The next prime is 566566081. The reversal of 566566065 is 560665665.

It is not a de Polignac number, because 566566065 - 2⁶ = 566566001 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 566566065.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2540544 + ... + 2540766.

It is an arithmetic number, because the mean of its divisors is an integer number (11435424).

Almost surely, 2^566566065 is an apocalyptic number.

It is an amenable number.

566566065 is a deficient number, since it is larger than the sum of its proper divisors (531234639).

566566065 is a wasteful number, since it uses less digits than its factorization.

566566065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 45.

The square root of 566566065 is about 23802.6482770300. The cubic root of 566566065 is about 827.4660537426.

The spelling of 566566065 in words is "five hundred sixty-six million, five hundred sixty-six thousand, sixty-five".