663115344 has 20 divisors (see below), whose sum is σ = 1713048096. Its totient is φ = 221038432.

The previous prime is 663115331. The next prime is 663115357. The reversal of 663115344 is 443511366.

It is an interprime number because it is at equal distance from previous prime (663115331) and next prime (663115357).

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, 6907404 + ... + 6907499.

Almost surely, 2^663115344 is an apocalyptic number.

It is an amenable number.

663115344 is an abundant number, since it is smaller than the sum of its proper divisors (1049932752).

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

663115344 is a wasteful number, since it uses less digits than its factorization.

663115344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13814914 (or 13814908 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 663115344 is about 25751.0260766440. The cubic root of 663115344 is about 872.0265191273.

The spelling of 663115344 in words is "six hundred sixty-three million, one hundred fifteen thousand, three hundred forty-four".