566550866 has 8 divisors (see below), whose sum is σ = 971230080. Its totient is φ = 242807508.

The previous prime is 566550851. The next prime is 566550869. The reversal of 566550866 is 668055665.

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

It is a self number, because there is not a number n which added to its sum of digits gives 566550866.

It is not an unprimeable number, because it can be changed into a prime (566550869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20233946 + ... + 20233973.

It is an arithmetic number, because the mean of its divisors is an integer number (121403760).

Almost surely, 2^566550866 is an apocalyptic number.

566550866 is a deficient number, since it is larger than the sum of its proper divisors (404679214).

566550866 is a wasteful number, since it uses less digits than its factorization.

566550866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40467928.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The square root of 566550866 is about 23802.3290036921. The cubic root of 566550866 is about 827.4586543296.

The spelling of 566550866 in words is "five hundred sixty-six million, five hundred fifty thousand, eight hundred sixty-six".