195618992 has 10 divisors (see below), whose sum is σ = 379011828. Its totient is φ = 97809488.

The previous prime is 195618967. The next prime is 195619013. The reversal of 195618992 is 299816591.

It is a self number, because there is not a number n which added to its sum of digits gives 195618992.

It is an unprimeable number.

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, 6113078 + ... + 6113109.

Almost surely, 2^195618992 is an apocalyptic number.

It is an amenable number.

195618992 is a deficient number, since it is larger than the sum of its proper divisors (183392836).

195618992 is a wasteful number, since it uses less digits than its factorization.

195618992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12226195 (or 12226189 counting only the distinct ones).

The product of its digits is 349920, while the sum is 50.

The square root of 195618992 is about 13986.3859520607. The cubic root of 195618992 is about 580.5019356906.

The spelling of 195618992 in words is "one hundred ninety-five million, six hundred eighteen thousand, nine hundred ninety-two".