565001066604 has 48 divisors (see below), whose sum is σ = 1422295404768. Its totient is φ = 173534343168.

The previous prime is 565001066563. The next prime is 565001066681. The reversal of 565001066604 is 406660100565.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 3164277 + ... + 3338060.

It is an arithmetic number, because the mean of its divisors is an integer number (29631154266).

Almost surely, 2^565001066604 is an apocalyptic number.

It is an amenable number.

565001066604 is an abundant number, since it is smaller than the sum of its proper divisors (857294338164).

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

565001066604 is a wasteful number, since it uses less digits than its factorization.

565001066604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6502914 (or 6502912 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 565001066604 in words is "five hundred sixty-five billion, one million, sixty-six thousand, six hundred four".