63636355534016 has 56 divisors (see below), whose sum is σ = 129194868949344. Its totient is φ = 31088299806720.

The previous prime is 63636355534013. The next prime is 63636355534043. The reversal of 63636355534016 is 61043555363636.

It is not an unprimeable number, because it can be changed into a prime (63636355534013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38105180 + ... + 39740123.

Almost surely, 2^{63636355534016} is an apocalyptic number.

It is an amenable number.

63636355534016 is an abundant number, since it is smaller than the sum of its proper divisors (65558513415328).

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

63636355534016 is a wasteful number, since it uses less digits than its factorization.

63636355534016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77845609 (or 77845599 counting only the distinct ones).

The product of its (nonzero) digits is 52488000, while the sum is 56.

The spelling of 63636355534016 in words is "sixty-three trillion, six hundred thirty-six billion, three hundred fifty-five million, five hundred thirty-four thousand, sixteen".