63866822011168 has 24 divisors (see below), whose sum is σ = 137168515456560. Its totient is φ = 29030373641280.

The previous prime is 63866822011151. The next prime is 63866822011171. The reversal of 63866822011168 is 86111022866836.

It is a happy number.

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, 90719917278 + ... + 90719917981.

It is an arithmetic number, because the mean of its divisors is an integer number (5715354810690).

Almost surely, 2^{63866822011168} is an apocalyptic number.

It is an amenable number.

63866822011168 is an abundant number, since it is smaller than the sum of its proper divisors (73301693445392).

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

63866822011168 is a wasteful number, since it uses less digits than its factorization.

63866822011168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181439835280 (or 181439835272 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 58.

The spelling of 63866822011168 in words is "sixty-three trillion, eight hundred sixty-six billion, eight hundred twenty-two million, eleven thousand, one hundred sixty-eight".