663655332 has 24 divisors (see below), whose sum is σ = 1630031200. Its totient is φ = 209575296.

The previous prime is 663655309. The next prime is 663655393. The reversal of 663655332 is 233556366.

663655332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1455157 + ... + 1455612.

Almost surely, 2^663655332 is an apocalyptic number.

It is an amenable number.

663655332 is an abundant number, since it is smaller than the sum of its proper divisors (966375868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663655332 is a wasteful number, since it uses less digits than its factorization.

663655332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2910795 (or 2910793 counting only the distinct ones).

The product of its digits is 291600, while the sum is 39.

The square root of 663655332 is about 25761.5087291098. The cubic root of 663655332 is about 872.2631577460.

The spelling of 663655332 in words is "six hundred sixty-three million, six hundred fifty-five thousand, three hundred thirty-two".