663552004 has 12 divisors (see below), whose sum is σ = 1162006300. Its totient is φ = 331550208.

The previous prime is 663551983. The next prime is 663552011. The reversal of 663552004 is 400255366.

It can be written as a sum of positive squares in 2 ways, for example, as 207302404 + 456249600 = 14398^2 + 21360^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49749 + ... + 61660.

Almost surely, 2^663552004 is an apocalyptic number.

It is an amenable number.

663552004 is a deficient number, since it is larger than the sum of its proper divisors (498454296).

663552004 is a wasteful number, since it uses less digits than its factorization.

663552004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112902 (or 112900 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 663552004 is about 25759.5031784388. The cubic root of 663552004 is about 872.2178863121.

The spelling of 663552004 in words is "six hundred sixty-three million, five hundred fifty-two thousand, four".