196848105791 has 4 divisors (see below), whose sum is σ = 196857376152. Its totient is φ = 196838835432.

The previous prime is 196848105781. The next prime is 196848105863. The reversal of 196848105791 is 197501848691.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 196848105791 - 2¹⁴ = 196848089407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 196848105791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196848105731) 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, 4603256 + ... + 4645821.

It is an arithmetic number, because the mean of its divisors is an integer number (49214344038).

Almost surely, 2^196848105791 is an apocalyptic number.

196848105791 is a deficient number, since it is larger than the sum of its proper divisors (9270361).

196848105791 is an equidigital number, since it uses as much as digits as its factorization.

196848105791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9270360.

The product of its (nonzero) digits is 4354560, while the sum is 59.

The spelling of 196848105791 in words is "one hundred ninety-six billion, eight hundred forty-eight million, one hundred five thousand, seven hundred ninety-one".