190973936191 has 8 divisors (see below), whose sum is σ = 199811414880. Its totient is φ = 182180979552.

The previous prime is 190973936189. The next prime is 190973936213. The reversal of 190973936191 is 191639379091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190973936191 - 2¹ = 190973936189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190973936161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11121736 + ... + 11138893.

It is an arithmetic number, because the mean of its divisors is an integer number (24976426860).

Almost surely, 2^190973936191 is an apocalyptic number.

190973936191 is a deficient number, since it is larger than the sum of its proper divisors (8837478689).

190973936191 is a wasteful number, since it uses less digits than its factorization.

190973936191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22261025.

The product of its (nonzero) digits is 2480058, while the sum is 58.

The spelling of 190973936191 in words is "one hundred ninety billion, nine hundred seventy-three million, nine hundred thirty-six thousand, one hundred ninety-one".