117331968 has 144 divisors (see below), whose sum is σ = 341719560. Its totient is φ = 35782656.

The previous prime is 117331961. The next prime is 117331979. The reversal of 117331968 is 869133711.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117331961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1038280 + ... + 1038392.

Almost surely, 2^117331968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117331968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170859780).

117331968 is an abundant number, since it is smaller than the sum of its proper divisors (224387592).

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

117331968 is a wasteful number, since it uses less digits than its factorization.

117331968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 131 counting only the distinct ones).

The product of its digits is 27216, while the sum is 39.

The square root of 117331968 is about 10831.9881831546. The cubic root of 117331968 is about 489.5594652246.

The spelling of 117331968 in words is "one hundred seventeen million, three hundred thirty-one thousand, nine hundred sixty-eight".