663513360 has 80 divisors (see below), whose sum is σ = 2095740864. Its totient is φ = 173595136.

The previous prime is 663513289. The next prime is 663513377. The reversal of 663513360 is 63315366.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13362 + ... + 38801.

Almost surely, 2^663513360 is an apocalyptic number.

663513360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

663513360 is an abundant number, since it is smaller than the sum of its proper divisors (1432227504).

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

663513360 is a wasteful number, since it uses less digits than its factorization.

663513360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52232 (or 52226 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 33.

The square root of 663513360 is about 25758.7530754111. The cubic root of 663513360 is about 872.2009538827.

The spelling of 663513360 in words is "six hundred sixty-three million, five hundred thirteen thousand, three hundred sixty".