663230018 has 8 divisors (see below), whose sum is σ = 1085285520. Its totient is φ = 301468180.

The previous prime is 663229999. The next prime is 663230041. The reversal of 663230018 is 810032366.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15073388 + ... + 15073431.

It is an arithmetic number, because the mean of its divisors is an integer number (135660690).

Almost surely, 2^663230018 is an apocalyptic number.

663230018 is a deficient number, since it is larger than the sum of its proper divisors (422055502).

663230018 is a wasteful number, since it uses less digits than its factorization.

663230018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30146832.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 663230018 is about 25753.2525712773. The cubic root of 663230018 is about 872.0767833868.

The spelling of 663230018 in words is "six hundred sixty-three million, two hundred thirty thousand, eighteen".