117668 has 12 divisors (see below), whose sum is σ = 215040. Its totient is φ = 56232.

The previous prime is 117659. The next prime is 117671. The reversal of 117668 is 866711.

It is a self number, because there is not a number n which added to its sum of digits gives 117668.

It is an unprimeable number.

117668 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548 + ... + 731.

It is an arithmetic number, because the mean of its divisors is an integer number (17920).

117668 is a Friedman number, since it can be written as 18+7^6+1^6, using all its digits and the basic arithmetic operations.

2¹¹⁷⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

117668 is a deficient number, since it is larger than the sum of its proper divisors (97372).

117668 is a wasteful number, since it uses less digits than its factorization.

117668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306 (or 1304 counting only the distinct ones).

The product of its digits is 2016, while the sum is 29.

The square root of 117668 is about 343.0276956749. The cubic root of 117668 is about 49.0026376478.

It can be divided in two parts, 11 and 7668, that multiplied together give a palindrome (84348).

The spelling of 117668 in words is "one hundred seventeen thousand, six hundred sixty-eight".