191116492 has 12 divisors (see below), whose sum is σ = 382233040. Its totient is φ = 81907056.

The previous prime is 191116487. The next prime is 191116493. The reversal of 191116492 is 294611191.

191116492 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (191116493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3412767 + ... + 3412822.

Almost surely, 2^191116492 is an apocalyptic number.

It is an amenable number.

191116492 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

191116492 is a wasteful number, since it uses less digits than its factorization.

191116492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6825600 (or 6825598 counting only the distinct ones).

The product of its digits is 3888, while the sum is 34.

The square root of 191116492 is about 13824.4888513102. The cubic root of 191116492 is about 576.0135791230.

The spelling of 191116492 in words is "one hundred ninety-one million, one hundred sixteen thousand, four hundred ninety-two".