16359449 has 2 divisors, whose sum is σ = 16359450. Its totient is φ = 16359448.

The previous prime is 16359443. The next prime is 16359481. The reversal of 16359449 is 94495361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15960025 + 399424 = 3995^2 + 632^2 .

It is a cyclic number.

It is not a de Polignac number, because 16359449 - 2⁴ = 16359433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16359443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8179724 + 8179725.

It is an arithmetic number, because the mean of its divisors is an integer number (8179725).

Almost surely, 2^16359449 is an apocalyptic number.

It is an amenable number.

16359449 is a deficient number, since it is larger than the sum of its proper divisors (1).

16359449 is an equidigital number, since it uses as much as digits as its factorization.

16359449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 116640, while the sum is 41.

The square root of 16359449 is about 4044.6815696665. The cubic root of 16359449 is about 253.8572419941.

The spelling of 16359449 in words is "sixteen million, three hundred fifty-nine thousand, four hundred forty-nine".