663374575 has 6 divisors (see below), whose sum is σ = 822584504. Its totient is φ = 530699640.

The previous prime is 663374567. The next prime is 663374587. The reversal of 663374575 is 575473366.

It is not a de Polignac number, because 663374575 - 2³ = 663374567 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13267467 + ... + 13267516.

Almost surely, 2^663374575 is an apocalyptic number.

663374575 is a deficient number, since it is larger than the sum of its proper divisors (159209929).

663374575 is a wasteful number, since it uses less digits than its factorization.

663374575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26534993 (or 26534988 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 46.

The square root of 663374575 is about 25756.0589958945. The cubic root of 663374575 is about 872.1401378000.

The spelling of 663374575 in words is "six hundred sixty-three million, three hundred seventy-four thousand, five hundred seventy-five".