63315800616 has 16 divisors (see below), whose sum is σ = 158289501600. Its totient is φ = 21105266864.

The previous prime is 63315800609. The next prime is 63315800687. The reversal of 63315800616 is 61600851336.

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, 1319079156 + ... + 1319079203.

It is an arithmetic number, because the mean of its divisors is an integer number (9893093850).

Almost surely, 2^63315800616 is an apocalyptic number.

It is an amenable number.

63315800616 is an abundant number, since it is smaller than the sum of its proper divisors (94973700984).

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

63315800616 is a wasteful number, since it uses less digits than its factorization.

63315800616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638158368 (or 2638158364 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 63315800616 in words is "sixty-three billion, three hundred fifteen million, eight hundred thousand, six hundred sixteen".