664098490448 has 20 divisors (see below), whose sum is σ = 1295211961248. Its totient is φ = 329850242400.

The previous prime is 664098490427. The next prime is 664098490459. The reversal of 664098490448 is 844094890466.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137435186 + ... + 137440017.

Almost surely, 2^664098490448 is an apocalyptic number.

It is an amenable number.

664098490448 is a deficient number, since it is larger than the sum of its proper divisors (631113470800).

664098490448 is a wasteful number, since it uses less digits than its factorization.

664098490448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274875362 (or 274875356 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 62.

The spelling of 664098490448 in words is "six hundred sixty-four billion, ninety-eight million, four hundred ninety thousand, four hundred forty-eight".