196962191 has 8 divisors (see below), whose sum is σ = 198531840. Its totient is φ = 195397272.

The previous prime is 196962167. The next prime is 196962197. The reversal of 196962191 is 191269691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196962191 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 (196962197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168776 + ... + 169938.

It is an arithmetic number, because the mean of its divisors is an integer number (24816480).

Almost surely, 2^196962191 is an apocalyptic number.

196962191 is a deficient number, since it is larger than the sum of its proper divisors (1569649).

196962191 is a wasteful number, since it uses less digits than its factorization.

196962191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365.

The product of its digits is 52488, while the sum is 44.

The square root of 196962191 is about 14034.3218931304. The cubic root of 196962191 is about 581.8275597898.

The spelling of 196962191 in words is "one hundred ninety-six million, nine hundred sixty-two thousand, one hundred ninety-one".