65560577060660 has 192 divisors, whose sum is σ = 160073147759616. Its totient is φ = 22290470092800.

The previous prime is 65560577060639. The next prime is 65560577060707. The reversal of 65560577060660 is 6606077506556.

It is a self number, because there is not a number n which added to its sum of digits gives 65560577060660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4439660597 + ... + 4439675363.

It is an arithmetic number, because the mean of its divisors is an integer number (833714311248).

Almost surely, 2^{65560577060660} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65560577060660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80036573879808).

65560577060660 is an abundant number, since it is smaller than the sum of its proper divisors (94512570698956).

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

65560577060660 is a wasteful number, since it uses less digits than its factorization.

65560577060660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22522 (or 22520 counting only the distinct ones).

The product of its (nonzero) digits is 47628000, while the sum is 59.

The spelling of 65560577060660 in words is "sixty-five trillion, five hundred sixty billion, five hundred seventy-seven million, sixty thousand, six hundred sixty".