196327191 has 8 divisors (see below), whose sum is σ = 262231920. Its totient is φ = 130653632.

The previous prime is 196327177. The next prime is 196327199. The reversal of 196327191 is 191723691.

It is a happy number.

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 196327191 - 2⁹ = 196326679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196327199) 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, 55800 + ... + 59213.

It is an arithmetic number, because the mean of its divisors is an integer number (32778990).

Almost surely, 2^196327191 is an apocalyptic number.

196327191 is a deficient number, since it is larger than the sum of its proper divisors (65904729).

196327191 is a wasteful number, since it uses less digits than its factorization.

196327191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115585.

The product of its digits is 20412, while the sum is 39.

The square root of 196327191 is about 14011.6805201946. The cubic root of 196327191 is about 581.2016219650.

The spelling of 196327191 in words is "one hundred ninety-six million, three hundred twenty-seven thousand, one hundred ninety-one".