63536555563536 has 80 divisors (see below), whose sum is σ = 179456358254400. Its totient is φ = 19210620764160.

The previous prime is 63536555563511. The next prime is 63536555563543.

63536555563536 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133765585 + ... + 134239728.

It is an arithmetic number, because the mean of its divisors is an integer number (2243204478180).

Almost surely, 2^{63536555563536} is an apocalyptic number.

63536555563536 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

63536555563536 is an abundant number, since it is smaller than the sum of its proper divisors (115919802690864).

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

63536555563536 is a wasteful number, since it uses less digits than its factorization.

63536555563536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268005784 (or 268005778 counting only the distinct ones).

The product of its digits is 1640250000, while the sum is 66.

The spelling of 63536555563536 in words is "sixty-three trillion, five hundred thirty-six billion, five hundred fifty-five million, five hundred sixty-three thousand, five hundred thirty-six".