16116449 has 2 divisors, whose sum is σ = 16116450. Its totient is φ = 16116448.

The previous prime is 16116439. The next prime is 16116461. The reversal of 16116449 is 94461161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11022400 + 5094049 = 3320^2 + 2257^2 .

It is a cyclic number.

It is not a de Polignac number, because 16116449 - 2²⁰ = 15067873 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16116439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8058224 + 8058225.

It is an arithmetic number, because the mean of its divisors is an integer number (8058225).

Almost surely, 2^16116449 is an apocalyptic number.

It is an amenable number.

16116449 is a deficient number, since it is larger than the sum of its proper divisors (1).

16116449 is an equidigital number, since it uses as much as digits as its factorization.

16116449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 32.

The square root of 16116449 is about 4014.5297358470. The cubic root of 16116449 is about 252.5940518172.

The spelling of 16116449 in words is "sixteen million, one hundred sixteen thousand, four hundred forty-nine".