8864565513616 has 40 divisors (see below), whose sum is σ = 18156640713120. Its totient is φ = 4180983204096.

The previous prime is 8864565513593. The next prime is 8864565513619. The reversal of 8864565513616 is 6163155654688.

It is not an unprimeable number, because it can be changed into a prime (8864565513619) 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, 62503750 + ... + 62645413.

It is an arithmetic number, because the mean of its divisors is an integer number (453916017828).

Almost surely, 2^{8864565513616} is an apocalyptic number.

It is an amenable number.

8864565513616 is an abundant number, since it is smaller than the sum of its proper divisors (9292075199504).

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

8864565513616 is a wasteful number, since it uses less digits than its factorization.

8864565513616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125149423 (or 125149417 counting only the distinct ones).

The product of its digits is 124416000, while the sum is 64.

The spelling of 8864565513616 in words is "eight trillion, eight hundred sixty-four billion, five hundred sixty-five million, five hundred thirteen thousand, six hundred sixteen".