116837609 has 12 divisors (see below), whose sum is σ = 136821888. Its totient is φ = 99477000.

The previous prime is 116837569. The next prime is 116837621. The reversal of 116837609 is 906738611.

It is not a de Polignac number, because 116837609 - 2²⁰ = 115789033 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116837639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497 + ... + 15294.

It is an arithmetic number, because the mean of its divisors is an integer number (11401824).

Almost surely, 2^116837609 is an apocalyptic number.

It is an amenable number.

116837609 is a deficient number, since it is larger than the sum of its proper divisors (19984279).

116837609 is a wasteful number, since it uses less digits than its factorization.

116837609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15956 (or 15949 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 116837609 is about 10809.1446932678. The cubic root of 116837609 is about 488.8709378185.

The spelling of 116837609 in words is "one hundred sixteen million, eight hundred thirty-seven thousand, six hundred nine".