566640686711 has 8 divisors (see below), whose sum is σ = 618189124224. Its totient is φ = 515098190520.

The previous prime is 566640686701. The next prime is 566640686719. The reversal of 566640686711 is 117686046665.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566640686711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566640686719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1284731 + ... + 1668476.

It is an arithmetic number, because the mean of its divisors is an integer number (77273640528).

Almost surely, 2^566640686711 is an apocalyptic number.

566640686711 is a deficient number, since it is larger than the sum of its proper divisors (51548437513).

566640686711 is a wasteful number, since it uses less digits than its factorization.

566640686711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2970661.

The product of its (nonzero) digits is 8709120, while the sum is 56.

The spelling of 566640686711 in words is "five hundred sixty-six billion, six hundred forty million, six hundred eighty-six thousand, seven hundred eleven".