663630272 has 28 divisors (see below), whose sum is σ = 1319058576. Its totient is φ = 331269120.

The previous prime is 663630167. The next prime is 663630277. The reversal of 663630272 is 272036366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663630277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32168 + ... + 48600.

Almost surely, 2^663630272 is an apocalyptic number.

It is an amenable number.

663630272 is a deficient number, since it is larger than the sum of its proper divisors (655428304).

663630272 is a wasteful number, since it uses less digits than its factorization.

663630272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17076 (or 17066 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 35.

The square root of 663630272 is about 25761.0223399616. The cubic root of 663630272 is about 872.2521785580.

The spelling of 663630272 in words is "six hundred sixty-three million, six hundred thirty thousand, two hundred seventy-two".