404160664 has 32 divisors (see below), whose sum is σ = 768042000. Its totient is φ = 199366272.

The previous prime is 404160649. The next prime is 404160667. The reversal of 404160664 is 466061404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404160667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233707 + ... + 235429.

Almost surely, 2^404160664 is an apocalyptic number.

It is an amenable number.

404160664 is a deficient number, since it is larger than the sum of its proper divisors (363881336).

404160664 is a wasteful number, since it uses less digits than its factorization.

404160664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2107 (or 2103 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 404160664 is about 20103.7475113472. The cubic root of 404160664 is about 739.3521624985.

The spelling of 404160664 in words is "four hundred four million, one hundred sixty thousand, six hundred sixty-four".