191160049 has 2 divisors, whose sum is σ = 191160050. Its totient is φ = 191160048.

The previous prime is 191160037. The next prime is 191160071. The reversal of 191160049 is 940061191.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95746225 + 95413824 = 9785^2 + 9768^2 .

It is a cyclic number.

It is not a de Polignac number, because 191160049 - 2⁷ = 191159921 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 191160049.

It is not a weakly prime, because it can be changed into another prime (191160149) 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, 95580024 + 95580025.

It is an arithmetic number, because the mean of its divisors is an integer number (95580025).

Almost surely, 2^191160049 is an apocalyptic number.

It is an amenable number.

191160049 is a deficient number, since it is larger than the sum of its proper divisors (1).

191160049 is an equidigital number, since it uses as much as digits as its factorization.

191160049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 191160049 is about 13826.0641181791. The cubic root of 191160049 is about 576.0573351893.

The spelling of 191160049 in words is "one hundred ninety-one million, one hundred sixty thousand, forty-nine".