108768191 has 12 divisors (see below), whose sum is σ = 126910728. Its totient is φ = 92946672.

The previous prime is 108768167. The next prime is 108768223. The reversal of 108768191 is 191867801.

It is a de Polignac number, because none of the positive numbers 2^k-108768191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108768691) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13805 + ... + 20201.

It is an arithmetic number, because the mean of its divisors is an integer number (10575894).

Almost surely, 2^108768191 is an apocalyptic number.

108768191 is a deficient number, since it is larger than the sum of its proper divisors (18142537).

108768191 is an equidigital number, since it uses as much as digits as its factorization.

108768191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6758 (or 6751 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 41.

The square root of 108768191 is about 10429.1989625282. The cubic root of 108768191 is about 477.3467483308.

The spelling of 108768191 in words is "one hundred eight million, seven hundred sixty-eight thousand, one hundred ninety-one".