663113806 has 8 divisors (see below), whose sum is σ = 998940384. Its totient is φ = 330133680.

The previous prime is 663113771. The next prime is 663113819. The reversal of 663113806 is 608311366.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 711030 + ... + 711961.

It is an arithmetic number, because the mean of its divisors is an integer number (124867548).

Almost surely, 2^663113806 is an apocalyptic number.

663113806 is a deficient number, since it is larger than the sum of its proper divisors (335826578).

663113806 is a wasteful number, since it uses less digits than its factorization.

663113806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423226.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 663113806 is about 25750.9962137390. The cubic root of 663113806 is about 872.0258449470.

The spelling of 663113806 in words is "six hundred sixty-three million, one hundred thirteen thousand, eight hundred six".