663300306 has 16 divisors (see below), whose sum is σ = 1474000800. Its totient is φ = 221100084.

The previous prime is 663300263. The next prime is 663300329. The reversal of 663300306 is 603003366.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 663300306.

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 7 ways as a sum of consecutive naturals, for example, 6141616 + ... + 6141723.

It is an arithmetic number, because the mean of its divisors is an integer number (92125050).

Almost surely, 2^663300306 is an apocalyptic number.

663300306 is an abundant number, since it is smaller than the sum of its proper divisors (810700494).

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

663300306 is a wasteful number, since it uses less digits than its factorization.

663300306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12283350 (or 12283344 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

The square root of 663300306 is about 25754.6171782848. The cubic root of 663300306 is about 872.1075893747.

The spelling of 663300306 in words is "six hundred sixty-three million, three hundred thousand, three hundred six".