566661506116 has 24 divisors (see below), whose sum is σ = 994542595200. Its totient is φ = 282507312672.

The previous prime is 566661506111. The next prime is 566661506129. The reversal of 566661506116 is 611605166665.

It is a super-2 number, since 2×566661506116² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 566661506116.

It is not an unprimeable number, because it can be changed into a prime (566661506111) 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, 2641605 + ... + 2848051.

It is an arithmetic number, because the mean of its divisors is an integer number (41439274800).

Almost surely, 2^566661506116 is an apocalyptic number.

It is an amenable number.

566661506116 is a deficient number, since it is larger than the sum of its proper divisors (427881089084).

566661506116 is a wasteful number, since it uses less digits than its factorization.

566661506116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208443 (or 208441 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 49.

The spelling of 566661506116 in words is "five hundred sixty-six billion, six hundred sixty-one million, five hundred six thousand, one hundred sixteen".