196144111 has 2 divisors, whose sum is σ = 196144112. Its totient is φ = 196144110.

The previous prime is 196144093. The next prime is 196144127. The reversal of 196144111 is 111441691.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-196144111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 196144111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196141111) 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 as a sum of consecutive naturals, namely, 98072055 + 98072056.

It is an arithmetic number, because the mean of its divisors is an integer number (98072056).

Almost surely, 2^196144111 is an apocalyptic number.

196144111 is a deficient number, since it is larger than the sum of its proper divisors (1).

196144111 is an equidigital number, since it uses as much as digits as its factorization.

196144111 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 28.

The square root of 196144111 is about 14005.1458757130. The cubic root of 196144111 is about 581.0209041115.

The spelling of 196144111 in words is "one hundred ninety-six million, one hundred forty-four thousand, one hundred eleven".