191334534268 has 36 divisors (see below), whose sum is σ = 356001208192. Its totient is φ = 89961062400.

The previous prime is 191334534197. The next prime is 191334534283. The reversal of 191334534268 is 862435433191.

191334534268 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1261093 + ... + 1404643.

Almost surely, 2^191334534268 is an apocalyptic number.

It is an amenable number.

191334534268 is a deficient number, since it is larger than the sum of its proper divisors (164666673924).

191334534268 is a wasteful number, since it uses less digits than its factorization.

191334534268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144742 (or 144723 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 49.

The spelling of 191334534268 in words is "one hundred ninety-one billion, three hundred thirty-four million, five hundred thirty-four thousand, two hundred sixty-eight".