117835164 has 72 divisors (see below), whose sum is σ = 316042272. Its totient is φ = 36938880.

The previous prime is 117835147. The next prime is 117835171. The reversal of 117835164 is 461538711.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49342 + ... + 51674.

It is an arithmetic number, because the mean of its divisors is an integer number (4389476).

Almost surely, 2^117835164 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 117835164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158021136).

117835164 is an abundant number, since it is smaller than the sum of its proper divisors (198207108).

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

117835164 is a wasteful number, since it uses less digits than its factorization.

117835164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427 (or 2422 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 117835164 is about 10855.1906477961. The cubic root of 117835164 is about 490.2583172191.

The spelling of 117835164 in words is "one hundred seventeen million, eight hundred thirty-five thousand, one hundred sixty-four".