8904171664 has 20 divisors (see below), whose sum is σ = 17808344320. Its totient is φ = 4308469920.

The previous prime is 8904171641. The next prime is 8904171673. The reversal of 8904171664 is 4661714098.

8904171664 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8975484 + ... + 8976475.

It is an arithmetic number, because the mean of its divisors is an integer number (890417216).

Almost surely, 2^8904171664 is an apocalyptic number.

It is an amenable number.

8904171664 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8904171664 is a wasteful number, since it uses less digits than its factorization.

8904171664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17951998 (or 17951992 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 8904171664 is about 94361.9185052953. The cubic root of 8904171664 is about 2072.6748359651.

The spelling of 8904171664 in words is "eight billion, nine hundred four million, one hundred seventy-one thousand, six hundred sixty-four".