116207109 has 16 divisors (see below), whose sum is σ = 179644800. Its totient is φ = 74102688.

The previous prime is 116207093. The next prime is 116207213. The reversal of 116207109 is 901702611.

It is not a de Polignac number, because 116207109 - 2⁴ = 116207093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116207009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92944 + ... + 94185.

It is an arithmetic number, because the mean of its divisors is an integer number (11227800).

Almost surely, 2^116207109 is an apocalyptic number.

It is an amenable number.

116207109 is a deficient number, since it is larger than the sum of its proper divisors (63437691).

116207109 is a wasteful number, since it uses less digits than its factorization.

116207109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187161 (or 187155 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 27.

The square root of 116207109 is about 10779.9401204274. The cubic root of 116207109 is about 487.9899736474.

The spelling of 116207109 in words is "one hundred sixteen million, two hundred seven thousand, one hundred nine".