566246642666 has 16 divisors (see below), whose sum is σ = 855096602688. Its totient is φ = 281214888000.

The previous prime is 566246642617. The next prime is 566246642669. The reversal of 566246642666 is 666246642665.

It is a super-4 number, since 4×566246642666⁴ (a number of 48 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (566246642669) 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, 2536301 + ... + 2750511.

It is an arithmetic number, because the mean of its divisors is an integer number (53443537668).

Almost surely, 2^566246642666 is an apocalyptic number.

566246642666 is a deficient number, since it is larger than the sum of its proper divisors (288849960022).

566246642666 is a wasteful number, since it uses less digits than its factorization.

566246642666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223117.

The product of its digits is 89579520, while the sum is 59.

Subtracting 566246642666 from its reverse (666246642665), we obtain a palindrome (99999999999).

The spelling of 566246642666 in words is "five hundred sixty-six billion, two hundred forty-six million, six hundred forty-two thousand, six hundred sixty-six".