663151332 has 48 divisors (see below), whose sum is σ = 1598268672. Its totient is φ = 213874080.

The previous prime is 663151331. The next prime is 663151339. The reversal of 663151332 is 233151366.

It is a happy number.

663151332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 663151332.

It is not an unprimeable number, because it can be changed into a prime (663151331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49207 + ... + 61217.

It is an arithmetic number, because the mean of its divisors is an integer number (33297264).

Almost surely, 2^663151332 is an apocalyptic number.

It is an amenable number.

663151332 is an abundant number, since it is smaller than the sum of its proper divisors (935117340).

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

663151332 is a wasteful number, since it uses less digits than its factorization.

663151332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12168 (or 12166 counting only the distinct ones).

The product of its digits is 9720, while the sum is 30.

The square root of 663151332 is about 25751.7248354358. The cubic root of 663151332 is about 872.0422941218.

The spelling of 663151332 in words is "six hundred sixty-three million, one hundred fifty-one thousand, three hundred thirty-two".