117906516 has 288 divisors, whose sum is σ = 401809408. Its totient is φ = 29393280.

The previous prime is 117906493. The next prime is 117906517. The reversal of 117906516 is 615609711.

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 not an unprimeable number, because it can be changed into a prime (117906517) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2741991 + ... + 2742033.

Almost surely, 2^117906516 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 117906516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200904704).

117906516 is an abundant number, since it is smaller than the sum of its proper divisors (283902892).

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

117906516 is a wasteful number, since it uses less digits than its factorization.

117906516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 117906516 is about 10858.4766887441. The cubic root of 117906516 is about 490.3572516176.

The spelling of 117906516 in words is "one hundred seventeen million, nine hundred six thousand, five hundred sixteen".