664630483 has 12 divisors (see below), whose sum is σ = 749206584. Its totient is φ = 584709600.

The previous prime is 664630451. The next prime is 664630493. The reversal of 664630483 is 384036466.

It is not a de Polignac number, because 664630483 - 2⁵ = 664630451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (664630493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20866 + ... + 42007.

It is an arithmetic number, because the mean of its divisors is an integer number (62433882).

Almost surely, 2^664630483 is an apocalyptic number.

664630483 is a deficient number, since it is larger than the sum of its proper divisors (84576101).

664630483 is a wasteful number, since it uses less digits than its factorization.

664630483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62946 (or 62915 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The square root of 664630483 is about 25780.4282935719. The cubic root of 664630483 is about 872.6901725841.

The spelling of 664630483 in words is "six hundred sixty-four million, six hundred thirty thousand, four hundred eighty-three".