663827630 has 16 divisors (see below), whose sum is σ = 1195707744. Its totient is φ = 265349280.

The previous prime is 663827623. The next prime is 663827657. The reversal of 663827630 is 36728366.

663827630 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, 6857 + ... + 37076.

It is an arithmetic number, because the mean of its divisors is an integer number (74731734).

Almost surely, 2^663827630 is an apocalyptic number.

663827630 is a deficient number, since it is larger than the sum of its proper divisors (531880114).

663827630 is a wasteful number, since it uses less digits than its factorization.

663827630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45451.

The product of its (nonzero) digits is 217728, while the sum is 41.

The square root of 663827630 is about 25764.8526097084. The cubic root of 663827630 is about 872.3386367816.

The spelling of 663827630 in words is "six hundred sixty-three million, eight hundred twenty-seven thousand, six hundred thirty".