663513896 has 32 divisors (see below), whose sum is σ = 1344972000. Its totient is φ = 305798976.

The previous prime is 663513857. The next prime is 663513901. The reversal of 663513896 is 698315366.

It is a self number, because there is not a number n which added to its sum of digits gives 663513896.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53366 + ... + 64613.

It is an arithmetic number, because the mean of its divisors is an integer number (42030375).

Almost surely, 2^663513896 is an apocalyptic number.

It is an amenable number.

663513896 is an abundant number, since it is smaller than the sum of its proper divisors (681458104).

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

663513896 is a wasteful number, since it uses less digits than its factorization.

663513896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118041 (or 118037 counting only the distinct ones).

The product of its digits is 699840, while the sum is 47.

The square root of 663513896 is about 25758.7634796393. The cubic root of 663513896 is about 872.2011887433.

The spelling of 663513896 in words is "six hundred sixty-three million, five hundred thirteen thousand, eight hundred ninety-six".