117656064 has 100 divisors (see below), whose sum is σ = 351296154. Its totient is φ = 39204864.

The previous prime is 117656057. The next prime is 117656107. The reversal of 117656064 is 460656711.

It can be written as a sum of positive squares in only one way, i.e., 116640000 + 1016064 = 10800^2 + 1008^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 40054 + ... + 42890.

Almost surely, 2^117656064 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 117656064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175648077).

117656064 is an abundant number, since it is smaller than the sum of its proper divisors (233640090).

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

117656064 is an frugal number, since it uses more digits than its factorization.

117656064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867 (or 2842 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 117656064 is about 10846.9380011135. The cubic root of 117656064 is about 490.0098068286.

The spelling of 117656064 in words is "one hundred seventeen million, six hundred fifty-six thousand, sixty-four".