565656665016 has 64 divisors (see below), whose sum is σ = 1428629529600. Its totient is φ = 186623647488.

The previous prime is 565656665011. The next prime is 565656665017. The reversal of 565656665016 is 610566656565.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565656665011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2801721 + ... + 2996823.

It is an arithmetic number, because the mean of its divisors is an integer number (22322336400).

Almost surely, 2^565656665016 is an apocalyptic number.

It is an amenable number.

565656665016 is an abundant number, since it is smaller than the sum of its proper divisors (862972864584).

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

565656665016 is a wasteful number, since it uses less digits than its factorization.

565656665016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196348 (or 196344 counting only the distinct ones).

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

The spelling of 565656665016 in words is "five hundred sixty-five billion, six hundred fifty-six million, six hundred sixty-five thousand, sixteen".