116121688 has 32 divisors (see below), whose sum is σ = 225446400. Its totient is φ = 56028672.

The previous prime is 116121683. The next prime is 116121701. The reversal of 116121688 is 886121611.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116121683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36048 + ... + 39136.

It is an arithmetic number, because the mean of its divisors is an integer number (7045200).

Almost surely, 2^116121688 is an apocalyptic number.

It is an amenable number.

116121688 is a deficient number, since it is larger than the sum of its proper divisors (109324712).

116121688 is a wasteful number, since it uses less digits than its factorization.

116121688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259 (or 3255 counting only the distinct ones).

The product of its digits is 4608, while the sum is 34.

The square root of 116121688 is about 10775.9773570660. The cubic root of 116121688 is about 487.8703745114.

The spelling of 116121688 in words is "one hundred sixteen million, one hundred twenty-one thousand, six hundred eighty-eight".