16448917 has 2 divisors, whose sum is σ = 16448918. Its totient is φ = 16448916.

The previous prime is 16448903. The next prime is 16448923. The reversal of 16448917 is 71984461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15100996 + 1347921 = 3886^2 + 1161^2 .

It is a cyclic number.

It is not a de Polignac number, because 16448917 - 2¹¹ = 16446869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16448917.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16448947) 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, 8224458 + 8224459.

It is an arithmetic number, because the mean of its divisors is an integer number (8224459).

Almost surely, 2^16448917 is an apocalyptic number.

It is an amenable number.

16448917 is a deficient number, since it is larger than the sum of its proper divisors (1).

16448917 is an equidigital number, since it uses as much as digits as its factorization.

16448917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 16448917 is about 4055.7264454102. The cubic root of 16448917 is about 254.3191732354.

The spelling of 16448917 in words is "sixteen million, four hundred forty-eight thousand, nine hundred seventeen".