191116 has 6 divisors (see below), whose sum is σ = 334460. Its totient is φ = 95556.

The previous prime is 191099. The next prime is 191119. The reversal of 191116 is 611191.

191116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 191093 and 191102.

It is not an unprimeable number, because it can be changed into a prime (191119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23886 + ... + 23893.

2¹⁹¹¹¹⁶ is an apocalyptic number.

It is an amenable number.

191116 is a deficient number, since it is larger than the sum of its proper divisors (143344).

191116 is a wasteful number, since it uses less digits than its factorization.

191116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47783 (or 47781 counting only the distinct ones).

The product of its digits is 54, while the sum is 19.

The square root of 191116 is about 437.1681598653. The cubic root of 191116 is about 57.6013084836.

The spelling of 191116 in words is "one hundred ninety-one thousand, one hundred sixteen".