117654516 has 72 divisors (see below), whose sum is σ = 340913664. Its totient is φ = 33514560.

The previous prime is 117654503. The next prime is 117654527. The reversal of 117654516 is 615456711.

It is a happy number.

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 (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 135901 + ... + 136763.

It is an arithmetic number, because the mean of its divisors is an integer number (4734912).

Almost surely, 2^117654516 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 117654516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170456832).

117654516 is an abundant number, since it is smaller than the sum of its proper divisors (223259148).

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

117654516 is a wasteful number, since it uses less digits than its factorization.

117654516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1416 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 117654516 is about 10846.8666443356. The cubic root of 117654516 is about 490.0076578006.

The spelling of 117654516 in words is "one hundred seventeen million, six hundred fifty-four thousand, five hundred sixteen".