196568794582191 has 24 divisors (see below), whose sum is σ = 291743529976080. Its totient is φ = 127444193323776.

The previous prime is 196568794582151. The next prime is 196568794582211. The reversal of 196568794582191 is 191285497865691.

It is a happy number.

196568794582191 is a `hidden beast` number, since 1 + 9 + 6 + 5 + 6 + 8 + 79 + 458 + 2 + 1 + 91 = 666.

It is not a de Polignac number, because 196568794582191 - 2²² = 196568790387887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196568794582191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196568794582151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137923425 + ... + 139341338.

It is an arithmetic number, because the mean of its divisors is an integer number (12155980415670).

Almost surely, 2^{196568794582191} is an apocalyptic number.

196568794582191 is a deficient number, since it is larger than the sum of its proper divisors (95174735393889).

196568794582191 is a wasteful number, since it uses less digits than its factorization.

196568794582191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277266935 (or 277266932 counting only the distinct ones).

The product of its digits is 2351462400, while the sum is 81.

The spelling of 196568794582191 in words is "one hundred ninety-six trillion, five hundred sixty-eight billion, seven hundred ninety-four million, five hundred eighty-two thousand, one hundred ninety-one".