191094694712 has 16 divisors (see below), whose sum is σ = 363210807840. Its totient is φ = 94238479296.

The previous prime is 191094694691. The next prime is 191094694717. The reversal of 191094694712 is 217496490191.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191094694717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163607888 + ... + 163609055.

It is an arithmetic number, because the mean of its divisors is an integer number (22700675490).

Almost surely, 2^191094694712 is an apocalyptic number.

It is an amenable number.

191094694712 is a deficient number, since it is larger than the sum of its proper divisors (172116113128).

191094694712 is a wasteful number, since it uses less digits than its factorization.

191094694712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327217022 (or 327217018 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 53.

The spelling of 191094694712 in words is "one hundred ninety-one billion, ninety-four million, six hundred ninety-four thousand, seven hundred twelve".