663820096 has 28 divisors (see below), whose sum is σ = 1318999140. Its totient is φ = 331473920.

The previous prime is 663820067. The next prime is 663820123. The reversal of 663820096 is 690028366.

It can be written as a sum of positive squares in 2 ways, for example, as 293642496 + 370177600 = 17136^2 + 19240^2 .

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, 45366 + ... + 58186.

Almost surely, 2^663820096 is an apocalyptic number.

It is an amenable number.

663820096 is a deficient number, since it is larger than the sum of its proper divisors (655179044).

663820096 is a wasteful number, since it uses less digits than its factorization.

663820096 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13642 (or 13632 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 663820096 is about 25764.7064023637. The cubic root of 663820096 is about 872.3353366156.

The spelling of 663820096 in words is "six hundred sixty-three million, eight hundred twenty thousand, ninety-six".