63613696716 has 36 divisors (see below), whose sum is σ = 160821133200. Its totient is φ = 21201948768.

The previous prime is 63613696711. The next prime is 63613696717. The reversal of 63613696716 is 61769631636.

63613696716 is a `hidden beast` number, since 6 + 3 + 613 + 6 + 9 + 6 + 7 + 16 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (63613696711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198625 + ... + 408263.

It is an arithmetic number, because the mean of its divisors is an integer number (4467253700).

Almost surely, 2^63613696716 is an apocalyptic number.

It is an amenable number.

63613696716 is an abundant number, since it is smaller than the sum of its proper divisors (97207436484).

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

63613696716 is a wasteful number, since it uses less digits than its factorization.

63613696716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218078 (or 218073 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 54.

The spelling of 63613696716 in words is "sixty-three billion, six hundred thirteen million, six hundred ninety-six thousand, seven hundred sixteen".