191082368748194 has 64 divisors (see below), whose sum is σ = 369001170542592. Its totient is φ = 72021735273600.

The previous prime is 191082368748149. The next prime is 191082368748209. The reversal of 191082368748194 is 491847863280191.

It is a happy number.

191082368748194 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 31 ways as a sum of consecutive naturals, for example, 7320509 + ... + 20874735.

It is an arithmetic number, because the mean of its divisors is an integer number (5765643289728).

Almost surely, 2^{191082368748194} is an apocalyptic number.

191082368748194 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

191082368748194 is a deficient number, since it is larger than the sum of its proper divisors (177918801794398).

191082368748194 is a wasteful number, since it uses less digits than its factorization.

191082368748194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13557231.

The product of its (nonzero) digits is 167215104, while the sum is 71.

The spelling of 191082368748194 in words is "one hundred ninety-one trillion, eighty-two billion, three hundred sixty-eight million, seven hundred forty-eight thousand, one hundred ninety-four".