116391937 has 8 divisors (see below), whose sum is σ = 121642560. Its totient is φ = 111157200.

The previous prime is 116391917. The next prime is 116391941. The reversal of 116391937 is 739193611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116391937 is a prime.

It is a super-2 number, since 2×116391937² = 27094165997223938, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116391937.

It is not an unprimeable number, because it can be changed into a prime (116391917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12514 + ... + 19732.

It is an arithmetic number, because the mean of its divisors is an integer number (15205320).

It is a Proth number, since it is equal to 111 ⋅ 2²⁰ + 1 and 111 < 2²⁰.

Almost surely, 2^116391937 is an apocalyptic number.

It is an amenable number.

116391937 is a deficient number, since it is larger than the sum of its proper divisors (5250623).

116391937 is an equidigital number, since it uses as much as digits as its factorization.

116391937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7943.

The product of its digits is 30618, while the sum is 40.

The square root of 116391937 is about 10788.5094892668. The cubic root of 116391937 is about 488.2485534529.

It can be divided in two parts, 11 and 6391937, that multiplied together give a palindrome (70311307).

The spelling of 116391937 in words is "one hundred sixteen million, three hundred ninety-one thousand, nine hundred thirty-seven".