117445536 has 216 divisors, whose sum is σ = 383685120. Its totient is φ = 33965568.

The previous prime is 117445519. The next prime is 117445547. The reversal of 117445536 is 635544711.

117445536 is a `hidden beast` number, since 1 + 174 + 455 + 36 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 117445536.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 924705 + ... + 924831.

It is an arithmetic number, because the mean of its divisors is an integer number (1776320).

Almost surely, 2^117445536 is an apocalyptic number.

117445536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117445536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191842560).

117445536 is an abundant number, since it is smaller than the sum of its proper divisors (266239584).

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

117445536 is a wasteful number, since it uses less digits than its factorization.

117445536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 164 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 117445536 is about 10837.2291661660. The cubic root of 117445536 is about 489.7173658141.

The spelling of 117445536 in words is "one hundred seventeen million, four hundred forty-five thousand, five hundred thirty-six".