117916 has 12 divisors (see below), whose sum is σ = 211680. Its totient is φ = 57440.

The previous prime is 117911. The next prime is 117917. The reversal of 117916 is 619711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117911) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196 + ... + 523.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2¹¹⁷⁹¹⁶ is an apocalyptic number.

It is an amenable number.

117916 is a deficient number, since it is larger than the sum of its proper divisors (93764).

117916 is a wasteful number, since it uses less digits than its factorization.

117916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764 (or 762 counting only the distinct ones).

The product of its digits is 378, while the sum is 25.

The square root of 117916 is about 343.3889922522. The cubic root of 117916 is about 49.0370398823.

The spelling of 117916 in words is "one hundred seventeen thousand, nine hundred sixteen".