663410872 has 16 divisors (see below), whose sum is σ = 1244280240. Its totient is φ = 331602816.

The previous prime is 663410863. The next prime is 663410947. The reversal of 663410872 is 278014366.

663410872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×663410872² = 880227970175600768, which contains 22 as substring.

It is a congruent number.

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, 19413 + ... + 41275.

It is an arithmetic number, because the mean of its divisors is an integer number (77767515).

Almost surely, 2^663410872 is an apocalyptic number.

It is an amenable number.

663410872 is a deficient number, since it is larger than the sum of its proper divisors (580869368).

663410872 is a wasteful number, since it uses less digits than its factorization.

663410872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25662 (or 25658 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 663410872 is about 25756.7636165726. The cubic root of 663410872 is about 872.1560440940.

The spelling of 663410872 in words is "six hundred sixty-three million, four hundred ten thousand, eight hundred seventy-two".