191103022768 has 20 divisors (see below), whose sum is σ = 423156693520. Its totient is φ = 81901295424.

The previous prime is 191103022739. The next prime is 191103022787. The reversal of 191103022768 is 867220301191.

191103022768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×191103022768² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 191103022768.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 853138383 + ... + 853138606.

It is an arithmetic number, because the mean of its divisors is an integer number (21157834676).

Almost surely, 2^191103022768 is an apocalyptic number.

It is an amenable number.

191103022768 is an abundant number, since it is smaller than the sum of its proper divisors (232053670752).

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

191103022768 is a wasteful number, since it uses less digits than its factorization.

191103022768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1706277004 (or 1706276998 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 191103022768 in words is "one hundred ninety-one billion, one hundred three million, twenty-two thousand, seven hundred sixty-eight".