191117116 has 12 divisors (see below), whose sum is σ = 338689120. Its totient is φ = 94348800.

The previous prime is 191117089. The next prime is 191117117. The reversal of 191117116 is 611711191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191117117) 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, 302085 + ... + 302716.

Almost surely, 2^191117116 is an apocalyptic number.

It is an amenable number.

191117116 is a deficient number, since it is larger than the sum of its proper divisors (147572004).

191117116 is a wasteful number, since it uses less digits than its factorization.

191117116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604884 (or 604882 counting only the distinct ones).

The product of its digits is 378, while the sum is 28.

The square root of 191117116 is about 13824.5114199381. The cubic root of 191117116 is about 576.0142060218.

The spelling of 191117116 in words is "one hundred ninety-one million, one hundred seventeen thousand, one hundred sixteen".