196116149 has 2 divisors, whose sum is σ = 196116150. Its totient is φ = 196116148.

The previous prime is 196116121. The next prime is 196116191. The reversal of 196116149 is 941611691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 179158225 + 16957924 = 13385^2 + 4118^2 .

It is a cyclic number.

It is not a de Polignac number, because 196116149 - 2²⁰ = 195067573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196116449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98058074 + 98058075.

It is an arithmetic number, because the mean of its divisors is an integer number (98058075).

Almost surely, 2^196116149 is an apocalyptic number.

It is an amenable number.

196116149 is a deficient number, since it is larger than the sum of its proper divisors (1).

196116149 is an equidigital number, since it uses as much as digits as its factorization.

196116149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 38.

The square root of 196116149 is about 14004.1475642040. The cubic root of 196116149 is about 580.9932929866.

The spelling of 196116149 in words is "one hundred ninety-six million, one hundred sixteen thousand, one hundred forty-nine".