566556516066 has 16 divisors (see below), whose sum is σ = 1133180733024. Its totient is φ = 188840888544.

The previous prime is 566556516049. The next prime is 566556516067. The reversal of 566556516066 is 660615655665.

It is a super-2 number, since 2×566556516066² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 566556515997 and 566556516015.

It is not an unprimeable number, because it can be changed into a prime (566556516067) 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, 2711755 + ... + 2913198.

It is an arithmetic number, because the mean of its divisors is an integer number (70823795814).

Almost surely, 2^566556516066 is an apocalyptic number.

566556516066 is an abundant number, since it is smaller than the sum of its proper divisors (566624216958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

566556516066 is a wasteful number, since it uses less digits than its factorization.

566556516066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641745.

The product of its (nonzero) digits is 29160000, while the sum is 57.

The spelling of 566556516066 in words is "five hundred sixty-six billion, five hundred fifty-six million, five hundred sixteen thousand, sixty-six".