65313643016 has 16 divisors (see below), whose sum is σ = 122502771900. Its totient is φ = 32646237184.

The previous prime is 65313643009. The next prime is 65313643027. The reversal of 65313643016 is 61034631356.

It can be written as a sum of positive squares in 2 ways, for example, as 58828562116 + 6485080900 = 242546^2 + 80530^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296785 + ... + 1346208.

Almost surely, 2^65313643016 is an apocalyptic number.

It is an amenable number.

65313643016 is a deficient number, since it is larger than the sum of its proper divisors (57189128884).

65313643016 is a wasteful number, since it uses less digits than its factorization.

65313643016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646088 (or 2646084 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 65313643016 in words is "sixty-five billion, three hundred thirteen million, six hundred forty-three thousand, sixteen".