191240116 has 12 divisors (see below), whose sum is σ = 345466240. Its totient is φ = 92535480.

The previous prime is 191240099. The next prime is 191240143. The reversal of 191240116 is 611042191.

It is a super-3 number, since 3×191240116³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771006 + ... + 771253.

Almost surely, 2^191240116 is an apocalyptic number.

It is an amenable number.

191240116 is a deficient number, since it is larger than the sum of its proper divisors (154226124).

191240116 is a wasteful number, since it uses less digits than its factorization.

191240116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542294 (or 1542292 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 191240116 is about 13828.9593245479. The cubic root of 191240116 is about 576.1377507797.

The spelling of 191240116 in words is "one hundred ninety-one million, two hundred forty thousand, one hundred sixteen".