663564152 has 32 divisors (see below), whose sum is σ = 1254113280. Its totient is φ = 329146080.

The previous prime is 663564119. The next prime is 663564169. The reversal of 663564152 is 251465366.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 768473 + ... + 769335.

It is an arithmetic number, because the mean of its divisors is an integer number (39191040).

Almost surely, 2^663564152 is an apocalyptic number.

It is an amenable number.

663564152 is a deficient number, since it is larger than the sum of its proper divisors (590549128).

663564152 is a wasteful number, since it uses less digits than its factorization.

663564152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523 (or 1519 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The square root of 663564152 is about 25759.7389738328. The cubic root of 663564152 is about 872.2232089987.

The spelling of 663564152 in words is "six hundred sixty-three million, five hundred sixty-four thousand, one hundred fifty-two".