36515577664 has 28 divisors (see below), whose sum is σ = 73688752800. Its totient is φ = 17948332928.

The previous prime is 36515577649. The next prime is 36515577697. The reversal of 36515577664 is 46677551563.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4831444 + ... + 4838995.

Almost surely, 2^36515577664 is an apocalyptic number.

It is an amenable number.

36515577664 is an abundant number, since it is smaller than the sum of its proper divisors (37173175136).

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

36515577664 is an equidigital number, since it uses as much as digits as its factorization.

36515577664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9670510 (or 9670500 counting only the distinct ones).

The product of its digits is 15876000, while the sum is 55.

The spelling of 36515577664 in words is "thirty-six billion, five hundred fifteen million, five hundred seventy-seven thousand, six hundred sixty-four".