117723666 has 16 divisors (see below), whose sum is σ = 237302784. Its totient is φ = 38931984.

The previous prime is 117723643. The next prime is 117723679. The reversal of 117723666 is 666327711.

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, 76485 + ... + 78008.

It is an arithmetic number, because the mean of its divisors is an integer number (14831424).

Almost surely, 2^117723666 is an apocalyptic number.

117723666 is an abundant number, since it is smaller than the sum of its proper divisors (119579118).

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

117723666 is a wasteful number, since it uses less digits than its factorization.

117723666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154625.

The product of its digits is 63504, while the sum is 39.

The square root of 117723666 is about 10850.0537325858. The cubic root of 117723666 is about 490.1036376648.

The spelling of 117723666 in words is "one hundred seventeen million, seven hundred twenty-three thousand, six hundred sixty-six".