191933068 has 24 divisors (see below), whose sum is σ = 353267712. Its totient is φ = 91065744.

The previous prime is 191933057. The next prime is 191933081. The reversal of 191933068 is 860339191.

It is a self number, because there is not a number n which added to its sum of digits gives 191933068.

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 7 ways as a sum of consecutive naturals, for example, 3471 + ... + 19897.

It is an arithmetic number, because the mean of its divisors is an integer number (14719488).

Almost surely, 2^191933068 is an apocalyptic number.

It is an amenable number.

191933068 is a deficient number, since it is larger than the sum of its proper divisors (161334644).

191933068 is a wasteful number, since it uses less digits than its factorization.

191933068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16581 (or 16579 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 191933068 is about 13853.9910495135. The cubic root of 191933068 is about 576.8327837704.

Subtracting from 191933068 its sum of digits (40), we obtain a triangular number (191933028 = T₁₉₅₉₂).

The spelling of 191933068 in words is "one hundred ninety-one million, nine hundred thirty-three thousand, sixty-eight".