566556565660 has 48 divisors (see below), whose sum is σ = 1190947891392. Its totient is φ = 226398182400.

The previous prime is 566556565633. The next prime is 566556565711. The reversal of 566556565660 is 66565655665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163601089 + ... + 163604551.

It is an arithmetic number, because the mean of its divisors is an integer number (24811414404).

Almost surely, 2^566556565660 is an apocalyptic number.

It is an amenable number.

566556565660 is an abundant number, since it is smaller than the sum of its proper divisors (624391325732).

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

566556565660 is a wasteful number, since it uses less digits than its factorization.

566556565660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9214 (or 9212 counting only the distinct ones).

The product of its (nonzero) digits is 145800000, while the sum is 61.

The spelling of 566556565660 in words is "five hundred sixty-six billion, five hundred fifty-six million, five hundred sixty-five thousand, six hundred sixty".