191696341 has 4 divisors (see below), whose sum is σ = 191745900. Its totient is φ = 191646784.

The previous prime is 191696311. The next prime is 191696381. The reversal of 191696341 is 143696191.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143696191 = 31 ⋅4635361.

It can be written as a sum of positive squares in 2 ways, for example, as 165225316 + 26471025 = 12854^2 + 5145^2 .

It is a cyclic number.

It is not a de Polignac number, because 191696341 - 2¹³ = 191688149 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 191696294 and 191696303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191696311) 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, 18436 + ... + 26893.

It is an arithmetic number, because the mean of its divisors is an integer number (47936475).

Almost surely, 2^191696341 is an apocalyptic number.

It is an amenable number.

191696341 is a deficient number, since it is larger than the sum of its proper divisors (49559).

191696341 is an equidigital number, since it uses as much as digits as its factorization.

191696341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49558.

The product of its digits is 34992, while the sum is 40.

The square root of 191696341 is about 13845.4447743653. Note that the first 3 decimals coincide. The cubic root of 191696341 is about 576.5955342706.

The spelling of 191696341 in words is "one hundred ninety-one million, six hundred ninety-six thousand, three hundred forty-one".