566066666 has 16 divisors (see below), whose sum is σ = 927378720. Its totient is φ = 257000880.

The previous prime is 566066647. The next prime is 566066671. The reversal of 566066666 is 666660665.

566066666 is a modest number, since divided by 66666 gives 5660 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 566066666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4625 + ... + 33963.

It is an arithmetic number, because the mean of its divisors is an integer number (57961170).

Almost surely, 2^566066666 is an apocalyptic number.

566066666 is a deficient number, since it is larger than the sum of its proper divisors (361312054).

566066666 is a wasteful number, since it uses less digits than its factorization.

566066666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30229.

The product of its (nonzero) digits is 1399680, while the sum is 47.

The square root of 566066666 is about 23792.1555559811. The cubic root of 566066666 is about 827.2228592768. Note that the first 3 decimals are identical.

The spelling of 566066666 in words is "five hundred sixty-six million, sixty-six thousand, six hundred sixty-six".