117636568 has 32 divisors (see below), whose sum is σ = 260213760. Its totient is φ = 48788640.

The previous prime is 117636553. The next prime is 117636569. The reversal of 117636568 is 865636711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117636569) 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, 32146 + ... + 35617.

It is an arithmetic number, because the mean of its divisors is an integer number (8131680).

Almost surely, 2^117636568 is an apocalyptic number.

It is an amenable number.

117636568 is an abundant number, since it is smaller than the sum of its proper divisors (142577192).

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

117636568 is a wasteful number, since it uses less digits than its factorization.

117636568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67807 (or 67803 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 117636568 is about 10846.0392770817. The cubic root of 117636568 is about 489.9827399168.

The spelling of 117636568 in words is "one hundred seventeen million, six hundred thirty-six thousand, five hundred sixty-eight".