116169919 has 2 divisors, whose sum is σ = 116169920. Its totient is φ = 116169918.

The previous prime is 116169917. The next prime is 116169929. The reversal of 116169919 is 919961611.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116169919 - 2¹ = 116169917 is a prime.

It is a super-2 number, since 2×116169919² = 26990900160933122, which contains 22 as substring.

Together with 116169917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116169913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58084959 + 58084960.

It is an arithmetic number, because the mean of its divisors is an integer number (58084960).

Almost surely, 2^116169919 is an apocalyptic number.

116169919 is a deficient number, since it is larger than the sum of its proper divisors (1).

116169919 is an equidigital number, since it uses as much as digits as its factorization.

116169919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 43.

The square root of 116169919 is about 10778.2150191950. The cubic root of 116169919 is about 487.9379106148.

The spelling of 116169919 in words is "one hundred sixteen million, one hundred sixty-nine thousand, nine hundred nineteen".