16448885 has 4 divisors (see below), whose sum is σ = 19738668. Its totient is φ = 13159104.

The previous prime is 16448869. The next prime is 16448893. The reversal of 16448885 is 58884461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2617924 + 13830961 = 1618^2 + 3719^2 .

It is a cyclic number.

It is not a de Polignac number, because 16448885 - 2⁴ = 16448869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1644884 + ... + 1644893.

It is an arithmetic number, because the mean of its divisors is an integer number (4934667).

Almost surely, 2^16448885 is an apocalyptic number.

It is an amenable number.

16448885 is a deficient number, since it is larger than the sum of its proper divisors (3289783).

16448885 is an equidigital number, since it uses as much as digits as its factorization.

16448885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3289782.

The product of its digits is 245760, while the sum is 44.

The square root of 16448885 is about 4055.7225003691. The cubic root of 16448885 is about 254.3190083163.

The spelling of 16448885 in words is "sixteen million, four hundred forty-eight thousand, eight hundred eighty-five".