191994094066756 has 24 divisors (see below), whose sum is σ = 344192652486144. Its totient is φ = 93653446662720.

The previous prime is 191994094066699. The next prime is 191994094066823. The reversal of 191994094066756 is 657660490499191.

191994094066756 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6820960 + ... + 20748823.

It is an arithmetic number, because the mean of its divisors is an integer number (14341360520256).

Almost surely, 2^{191994094066756} is an apocalyptic number.

It is an amenable number.

191994094066756 is a deficient number, since it is larger than the sum of its proper divisors (152198558419388).

191994094066756 is a wasteful number, since it uses less digits than its factorization.

191994094066756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27612291 (or 27612289 counting only the distinct ones).

The product of its (nonzero) digits is 793618560, while the sum is 76.

The spelling of 191994094066756 in words is "one hundred ninety-one trillion, nine hundred ninety-four billion, ninety-four million, sixty-six thousand, seven hundred fifty-six".