191116084 has 6 divisors (see below), whose sum is σ = 334453154. Its totient is φ = 95558040.

The previous prime is 191116069. The next prime is 191116087. The reversal of 191116084 is 480611191.

It can be written as a sum of positive squares in only one way, i.e., 184199184 + 6916900 = 13572^2 + 2630^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191116087) 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 as a sum of consecutive naturals, namely, 23889507 + ... + 23889514.

Almost surely, 2^191116084 is an apocalyptic number.

It is an amenable number.

191116084 is a deficient number, since it is larger than the sum of its proper divisors (143337070).

191116084 is a wasteful number, since it uses less digits than its factorization.

191116084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47779025 (or 47779023 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 191116084 is about 13824.4740948797. The cubic root of 191116084 is about 576.0131692269.

The spelling of 191116084 in words is "one hundred ninety-one million, one hundred sixteen thousand, eighty-four".