16449841 has 2 divisors, whose sum is σ = 16449842. Its totient is φ = 16449840.

The previous prime is 16449833. The next prime is 16449883. The reversal of 16449841 is 14894461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9480241 + 6969600 = 3079^2 + 2640^2 .

It is a cyclic number.

It is not a de Polignac number, because 16449841 - 2³ = 16449833 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16449841.

It is not a weakly prime, because it can be changed into another prime (16449341) 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, 8224920 + 8224921.

It is an arithmetic number, because the mean of its divisors is an integer number (8224921).

Almost surely, 2^16449841 is an apocalyptic number.

It is an amenable number.

16449841 is a deficient number, since it is larger than the sum of its proper divisors (1).

16449841 is an equidigital number, since it uses as much as digits as its factorization.

16449841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 37.

The square root of 16449841 is about 4055.8403568188. The cubic root of 16449841 is about 254.3239351804.

It can be divided in two parts, 164 and 49841, that added together give a palindrome (50005).

The spelling of 16449841 in words is "sixteen million, four hundred forty-nine thousand, eight hundred forty-one".