65364872491316 has 6 divisors (see below), whose sum is σ = 114388526859810. Its totient is φ = 32682436245656.

The previous prime is 65364872491307. The next prime is 65364872491319. The reversal of 65364872491316 is 61319427846356.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41176220596900 + 24188651894416 = 6416870^2 + 4918196^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65364872491319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8170609061411 + ... + 8170609061418.

It is an arithmetic number, because the mean of its divisors is an integer number (19064754476635).

Almost surely, 2^{65364872491316} is an apocalyptic number.

It is an amenable number.

65364872491316 is a deficient number, since it is larger than the sum of its proper divisors (49023654368494).

65364872491316 is a wasteful number, since it uses less digits than its factorization.

65364872491316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16341218122833 (or 16341218122831 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 65.

The spelling of 65364872491316 in words is "sixty-five trillion, three hundred sixty-four billion, eight hundred seventy-two million, four hundred ninety-one thousand, three hundred sixteen".