117131168 has 72 divisors (see below), whose sum is σ = 292680864. Its totient is φ = 45628800.

The previous prime is 117131149. The next prime is 117131171. The reversal of 117131168 is 861131711.

It is a self number, because there is not a number n which added to its sum of digits gives 117131168.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13853 + ... + 20643.

It is an arithmetic number, because the mean of its divisors is an integer number (4065012).

Almost surely, 2^117131168 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 117131168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146340432).

117131168 is an abundant number, since it is smaller than the sum of its proper divisors (175549696).

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

117131168 is a wasteful number, since it uses less digits than its factorization.

117131168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6826 (or 6811 counting only the distinct ones).

The product of its digits is 1008, while the sum is 29.

The square root of 117131168 is about 10822.7153709224. The cubic root of 117131168 is about 489.2800310857.

Adding to 117131168 its reverse (861131711), we get a palindrome (978262879).

The spelling of 117131168 in words is "one hundred seventeen million, one hundred thirty-one thousand, one hundred sixty-eight".