64656010500516 has 18 divisors (see below), whose sum is σ = 163436026543062. Its totient is φ = 21552003500160.

The previous prime is 64656010500469. The next prime is 64656010500541. The reversal of 64656010500516 is 61500501065646.

64656010500516 is a `hidden beast` number, since 6 + 4 + 65 + 60 + 10 + 5 + 0 + 0 + 516 = 666.

It can be written as a sum of positive squares in only one way, i.e., 37839106822500 + 26816903678016 = 6151350^2 + 5178504^2 .

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, 898000145805 + ... + 898000145876.

Almost surely, 2^{64656010500516} is an apocalyptic number.

It is an amenable number.

64656010500516 is an abundant number, since it is smaller than the sum of its proper divisors (98780016042546).

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

64656010500516 is a wasteful number, since it uses less digits than its factorization.

64656010500516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796000291691 (or 1796000291686 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 64656010500516 in words is "sixty-four trillion, six hundred fifty-six billion, ten million, five hundred thousand, five hundred sixteen".