664014901 has 16 divisors (see below), whose sum is σ = 742629888. Its totient is φ = 588495600.

The previous prime is 664014887. The next prime is 664014931. The reversal of 664014901 is 109410466.

It is a de Polignac number, because none of the positive numbers 2^k-664014901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (664014931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342906 + ... + 344836.

It is an arithmetic number, because the mean of its divisors is an integer number (46414368).

Almost surely, 2^664014901 is an apocalyptic number.

It is an amenable number.

664014901 is a deficient number, since it is larger than the sum of its proper divisors (78614987).

664014901 is a wasteful number, since it uses less digits than its factorization.

664014901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 664014901 is about 25768.4865873027. The cubic root of 664014901 is about 872.4206602678.

The spelling of 664014901 in words is "six hundred sixty-four million, fourteen thousand, nine hundred one".