36406646664 has 16 divisors (see below), whose sum is σ = 91016616720. Its totient is φ = 12135548880.

The previous prime is 36406646657. The next prime is 36406646671. The reversal of 36406646664 is 46664660463.

It is an interprime number because it is at equal distance from previous prime (36406646657) and next prime (36406646671).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758471782 + ... + 758471829.

It is an arithmetic number, because the mean of its divisors is an integer number (5688538545).

Almost surely, 2^36406646664 is an apocalyptic number.

It is an amenable number.

36406646664 is an abundant number, since it is smaller than the sum of its proper divisors (54609970056).

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

36406646664 is a wasteful number, since it uses less digits than its factorization.

36406646664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516943620 (or 1516943616 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 51.

The spelling of 36406646664 in words is "thirty-six billion, four hundred six million, six hundred forty-six thousand, six hundred sixty-four".