16344961 has 2 divisors, whose sum is σ = 16344962. Its totient is φ = 16344960.

The previous prime is 16344953. The next prime is 16344983. The reversal of 16344961 is 16944361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14868736 + 1476225 = 3856^2 + 1215^2 .

It is a cyclic number.

It is not a de Polignac number, because 16344961 - 2³ = 16344953 is a prime.

It is not a weakly prime, because it can be changed into another prime (16344901) 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, 8172480 + 8172481.

It is an arithmetic number, because the mean of its divisors is an integer number (8172481).

Almost surely, 2^16344961 is an apocalyptic number.

It is an amenable number.

16344961 is a deficient number, since it is larger than the sum of its proper divisors (1).

16344961 is an equidigital number, since it uses as much as digits as its factorization.

16344961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 34.

The square root of 16344961 is about 4042.8901790674. The cubic root of 16344961 is about 253.7822808310.

The spelling of 16344961 in words is "sixteen million, three hundred forty-four thousand, nine hundred sixty-one".