566315666 has 16 divisors (see below), whose sum is σ = 971162304. Its totient is φ = 242622864.

The previous prime is 566315663. The next prime is 566315681. The reversal of 566315666 is 666513665.

It is not an unprimeable number, because it can be changed into a prime (566315663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52361 + ... + 62243.

It is an arithmetic number, because the mean of its divisors is an integer number (60697644).

Almost surely, 2^566315666 is an apocalyptic number.

566315666 is a deficient number, since it is larger than the sum of its proper divisors (404846638).

566315666 is a wasteful number, since it uses less digits than its factorization.

566315666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13985.

The product of its digits is 583200, while the sum is 44.

The square root of 566315666 is about 23797.3877978235. The cubic root of 566315666 is about 827.3441337426.

The spelling of 566315666 in words is "five hundred sixty-six million, three hundred fifteen thousand, six hundred sixty-six".