566605056666 has 16 divisors (see below), whose sum is σ = 1236229214688. Its totient is φ = 171698502000.

The previous prime is 566605056631. The next prime is 566605056679. The reversal of 566605056666 is 666650506665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4292462485 + ... + 4292462616.

It is an arithmetic number, because the mean of its divisors is an integer number (77264325918).

Almost surely, 2^566605056666 is an apocalyptic number.

566605056666 is an abundant number, since it is smaller than the sum of its proper divisors (669624158022).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

566605056666 is a wasteful number, since it uses less digits than its factorization.

566605056666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8584925117.

The product of its (nonzero) digits is 34992000, while the sum is 57.

The spelling of 566605056666 in words is "five hundred sixty-six billion, six hundred five million, fifty-six thousand, six hundred sixty-six".