116418685 has 4 divisors (see below), whose sum is σ = 139702428. Its totient is φ = 93134944.

The previous prime is 116418677. The next prime is 116418689. The reversal of 116418685 is 586814611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 586814611 = 14723 ⋅39857.

It can be written as a sum of positive squares in 2 ways, for example, as 58079641 + 58339044 = 7621^2 + 7638^2 .

It is a cyclic number.

It is not a de Polignac number, because 116418685 - 2³ = 116418677 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116418689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11641864 + ... + 11641873.

It is an arithmetic number, because the mean of its divisors is an integer number (34925607).

Almost surely, 2^116418685 is an apocalyptic number.

It is an amenable number.

116418685 is a deficient number, since it is larger than the sum of its proper divisors (23283743).

116418685 is an equidigital number, since it uses as much as digits as its factorization.

116418685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23283742.

The product of its digits is 46080, while the sum is 40.

The square root of 116418685 is about 10789.7490702982. The cubic root of 116418685 is about 488.2859520115.

The spelling of 116418685 in words is "one hundred sixteen million, four hundred eighteen thousand, six hundred eighty-five".