636622116088 has 32 divisors (see below), whose sum is σ = 1364302625760. Its totient is φ = 272815574400.

The previous prime is 636622116079. The next prime is 636622116131. The reversal of 636622116088 is 880611226636.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226770 + ... + 1150942.

It is an arithmetic number, because the mean of its divisors is an integer number (42634457055).

Almost surely, 2^636622116088 is an apocalyptic number.

It is an amenable number.

636622116088 is an abundant number, since it is smaller than the sum of its proper divisors (727680509672).

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

636622116088 is a wasteful number, since it uses less digits than its factorization.

636622116088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936487 (or 936483 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 636622116088 in words is "six hundred thirty-six billion, six hundred twenty-two million, one hundred sixteen thousand, eighty-eight".