65365116996865 has 32 divisors (see below), whose sum is σ = 91972834281216. Its totient is φ = 43660572272640.

The previous prime is 65365116996821. The next prime is 65365116996869. The reversal of 65365116996865 is 56869961156356.

It is not a de Polignac number, because 65365116996865 - 2²¹ = 65365114899713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65365116996791 and 65365116996800.

It is not an unprimeable number, because it can be changed into a prime (65365116996869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34497672 + ... + 36343081.

It is an arithmetic number, because the mean of its divisors is an integer number (2874151071288).

Almost surely, 2^{65365116996865} is an apocalyptic number.

It is an amenable number.

65365116996865 is a deficient number, since it is larger than the sum of its proper divisors (26607717284351).

65365116996865 is a wasteful number, since it uses less digits than its factorization.

65365116996865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70841449.

The product of its digits is 1889568000, while the sum is 76.

The spelling of 65365116996865 in words is "sixty-five trillion, three hundred sixty-five billion, one hundred sixteen million, nine hundred ninety-six thousand, eight hundred sixty-five".