664114404 has 24 divisors (see below), whose sum is σ = 1571427648. Its totient is φ = 218253280.

The previous prime is 664114393. The next prime is 664114417. The reversal of 664114404 is 404411466.

664114404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388887 + ... + 390590.

It is an arithmetic number, because the mean of its divisors is an integer number (65476152).

Almost surely, 2^664114404 is an apocalyptic number.

It is an amenable number.

664114404 is an abundant number, since it is smaller than the sum of its proper divisors (907313244).

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

664114404 is a wasteful number, since it uses less digits than its factorization.

664114404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779555 (or 779553 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 664114404 is about 25770.4172259589. The cubic root of 664114404 is about 872.4642356640.

The spelling of 664114404 in words is "six hundred sixty-four million, one hundred fourteen thousand, four hundred four".