191838968 has 16 divisors (see below), whose sum is σ = 360182160. Its totient is φ = 95790400.

The previous prime is 191838923. The next prime is 191838971. The reversal of 191838968 is 869838191.

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, 9668 + ... + 21843.

It is an arithmetic number, because the mean of its divisors is an integer number (22511385).

Almost surely, 2^191838968 is an apocalyptic number.

It is an amenable number.

191838968 is a deficient number, since it is larger than the sum of its proper divisors (168343192).

191838968 is a wasteful number, since it uses less digits than its factorization.

191838968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32278 (or 32274 counting only the distinct ones).

The product of its digits is 746496, while the sum is 53.

The square root of 191838968 is about 13850.5944998762. The cubic root of 191838968 is about 576.7384994475.

The spelling of 191838968 in words is "one hundred ninety-one million, eight hundred thirty-eight thousand, nine hundred sixty-eight".