16448849 has 2 divisors, whose sum is σ = 16448850. Its totient is φ = 16448848.

The previous prime is 16448821. The next prime is 16448867. The reversal of 16448849 is 94884461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12673600 + 3775249 = 3560^2 + 1943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16448849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16448869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8224424 + 8224425.

It is an arithmetic number, because the mean of its divisors is an integer number (8224425).

Almost surely, 2^16448849 is an apocalyptic number.

It is an amenable number.

16448849 is a deficient number, since it is larger than the sum of its proper divisors (1).

16448849 is an equidigital number, since it uses as much as digits as its factorization.

16448849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 16448849 is about 4055.7180621932. The cubic root of 16448849 is about 254.3188227822.

The spelling of 16448849 in words is "sixteen million, four hundred forty-eight thousand, eight hundred forty-nine".