566579975666 has 8 divisors (see below), whose sum is σ = 849874548720. Its totient is φ = 283288459428.

The previous prime is 566579975657. The next prime is 566579975683. The reversal of 566579975666 is 666579975665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224636 + ... + 1087943.

It is an arithmetic number, because the mean of its divisors is an integer number (106234318590).

Almost surely, 2^566579975666 is an apocalyptic number.

566579975666 is a deficient number, since it is larger than the sum of its proper divisors (283294573054).

566579975666 is a wasteful number, since it uses less digits than its factorization.

566579975666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528408.

The product of its digits is 3857868000, while the sum is 77.

Subtracting 566579975666 from its reverse (666579975665), we obtain a palindrome (99999999999).

The spelling of 566579975666 in words is "five hundred sixty-six billion, five hundred seventy-nine million, nine hundred seventy-five thousand, six hundred sixty-six".