16961149 has 2 divisors, whose sum is σ = 16961150. Its totient is φ = 16961148.

The previous prime is 16961107. The next prime is 16961159. The reversal of 16961149 is 94116961.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13557124 + 3404025 = 3682^2 + 1845^2 .

It is a cyclic number.

It is not a de Polignac number, because 16961149 - 2¹¹ = 16959101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16961159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8480574 + 8480575.

It is an arithmetic number, because the mean of its divisors is an integer number (8480575).

Almost surely, 2^16961149 is an apocalyptic number.

It is an amenable number.

16961149 is a deficient number, since it is larger than the sum of its proper divisors (1).

16961149 is an equidigital number, since it uses as much as digits as its factorization.

16961149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 37.

The square root of 16961149 is about 4118.3915549641. The cubic root of 16961149 is about 256.9321334625.

The spelling of 16961149 in words is "sixteen million, nine hundred sixty-one thousand, one hundred forty-nine".