65016805744 has 40 divisors (see below), whose sum is σ = 137455635312. Its totient is φ = 29545835520.

The previous prime is 65016805687. The next prime is 65016805769. The reversal of 65016805744 is 44750861056.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 65016805694 and 65016805703.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 708822 + ... + 795274.

Almost surely, 2^65016805744 is an apocalyptic number.

It is an amenable number.

65016805744 is an abundant number, since it is smaller than the sum of its proper divisors (72438829568).

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

65016805744 is a wasteful number, since it uses less digits than its factorization.

65016805744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90745 (or 90739 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 65016805744 in words is "sixty-five billion, sixteen million, eight hundred five thousand, seven hundred forty-four".