191948231192 has 16 divisors (see below), whose sum is σ = 359908731000. Its totient is φ = 95972569600.

The previous prime is 191948231161. The next prime is 191948231213. The reversal of 191948231192 is 291132849191.

It is a self number, because there is not a number n which added to its sum of digits gives 191948231192.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 467192 + ... + 775992.

Almost surely, 2^191948231192 is an apocalyptic number.

It is an amenable number.

191948231192 is a deficient number, since it is larger than the sum of its proper divisors (167960499808).

191948231192 is a wasteful number, since it uses less digits than its factorization.

191948231192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386506 (or 386502 counting only the distinct ones).

The product of its digits is 279936, while the sum is 50.

The spelling of 191948231192 in words is "one hundred ninety-one billion, nine hundred forty-eight million, two hundred thirty-one thousand, one hundred ninety-two".