65472036516 has 18 divisors (see below), whose sum is σ = 165498759062. Its totient is φ = 21824012160.

The previous prime is 65472036503. The next prime is 65472036523. The reversal of 65472036516 is 61563027456.

65472036516 is a `hidden beast` number, since 6 + 547 + 20 + 36 + 51 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 47110702500 + 18361334016 = 217050^2 + 135504^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 909333805 + ... + 909333876.

Almost surely, 2^65472036516 is an apocalyptic number.

It is an amenable number.

65472036516 is an abundant number, since it is smaller than the sum of its proper divisors (100026722546).

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

65472036516 is a wasteful number, since it uses less digits than its factorization.

65472036516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1818667691 (or 1818667686 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The spelling of 65472036516 in words is "sixty-five billion, four hundred seventy-two million, thirty-six thousand, five hundred sixteen".