116389191 has 8 divisors (see below), whose sum is σ = 164314224. Its totient is φ = 73028480.

The previous prime is 116389187. The next prime is 116389211. The reversal of 116389191 is 191983611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116389191 - 2² = 116389187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116389171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1141020 + ... + 1141121.

It is an arithmetic number, because the mean of its divisors is an integer number (20539278).

Almost surely, 2^116389191 is an apocalyptic number.

116389191 is a deficient number, since it is larger than the sum of its proper divisors (47925033).

116389191 is a wasteful number, since it uses less digits than its factorization.

116389191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2282161.

The product of its digits is 11664, while the sum is 39.

The square root of 116389191 is about 10788.3822234847. The cubic root of 116389191 is about 488.2447137222.

The spelling of 116389191 in words is "one hundred sixteen million, three hundred eighty-nine thousand, one hundred ninety-one".