116902668109 has 4 divisors (see below), whose sum is σ = 116923397500. Its totient is φ = 116881938720.

The previous prime is 116902668083. The next prime is 116902668121. The reversal of 116902668109 is 901866209611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901866209611 = 12569 ⋅71753219.

It can be written as a sum of positive squares in 2 ways, for example, as 56817873225 + 60084794884 = 238365^2 + 245122^2 .

It is a cyclic number.

It is not a de Polignac number, because 116902668109 - 2⁹ = 116902667597 is a prime.

It is a super-2 number, since 2×116902668109² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116902668199) 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, 10356234 + ... + 10367515.

It is an arithmetic number, because the mean of its divisors is an integer number (29230849375).

Almost surely, 2^116902668109 is an apocalyptic number.

It is an amenable number.

116902668109 is a deficient number, since it is larger than the sum of its proper divisors (20729391).

116902668109 is an equidigital number, since it uses as much as digits as its factorization.

116902668109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20729390.

The product of its (nonzero) digits is 279936, while the sum is 49.

The spelling of 116902668109 in words is "one hundred sixteen billion, nine hundred two million, six hundred sixty-eight thousand, one hundred nine".