663332630 has 16 divisors (see below), whose sum is σ = 1216527984. Its totient is φ = 260326560.

The previous prime is 663332609. The next prime is 663332641. The reversal of 663332630 is 36233366.

663332630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 625256 + ... + 626315.

It is an arithmetic number, because the mean of its divisors is an integer number (76032999).

Almost surely, 2^663332630 is an apocalyptic number.

663332630 is a deficient number, since it is larger than the sum of its proper divisors (553195354).

663332630 is a wasteful number, since it uses less digits than its factorization.

663332630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251631.

The product of its (nonzero) digits is 34992, while the sum is 32.

The square root of 663332630 is about 25755.2447086026. The cubic root of 663332630 is about 872.1217556820.

Adding to 663332630 its reverse (36233366), we get a palindrome (699565996).

The spelling of 663332630 in words is "six hundred sixty-three million, three hundred thirty-two thousand, six hundred thirty".