663835996 has 6 divisors (see below), whose sum is σ = 1161713000. Its totient is φ = 331917996.

The previous prime is 663835987. The next prime is 663836023. The reversal of 663835996 is 699538366.

663835996 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82979496 + ... + 82979503.

Almost surely, 2^663835996 is an apocalyptic number.

It is an amenable number.

663835996 is a deficient number, since it is larger than the sum of its proper divisors (497877004).

663835996 is a wasteful number, since it uses less digits than its factorization.

663835996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165959003 (or 165959001 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 55.

The square root of 663835996 is about 25765.0149621536. The cubic root of 663835996 is about 872.3423013647.

The spelling of 663835996 in words is "six hundred sixty-three million, eight hundred thirty-five thousand, nine hundred ninety-six".