108690772194 has 12 divisors (see below), whose sum is σ = 235496673126. Its totient is φ = 36230257392.

The previous prime is 108690772189. The next prime is 108690772207. The reversal of 108690772194 is 491277096801.

It can be written as a sum of positive squares in only one way, i.e., 101649380625 + 7041391569 = 318825^2 + 83913^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 108690772194.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3019188099 + ... + 3019188134.

Almost surely, 2^108690772194 is an apocalyptic number.

108690772194 is an abundant number, since it is smaller than the sum of its proper divisors (126805900932).

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

108690772194 is a wasteful number, since it uses less digits than its factorization.

108690772194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6038376241 (or 6038376238 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 108690772194 in words is "one hundred eight billion, six hundred ninety million, seven hundred seventy-two thousand, one hundred ninety-four".