16499844 has 27 divisors (see below), whose sum is σ = 41769637. Its totient is φ = 5491824.

The previous prime is 16499839. The next prime is 16499849. The reversal of 16499844 is 44899461.

The square root of 16499844 is 4062.

It is a perfect power (a square), and thus also a powerful number.

16499844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (16499839) and next prime (16499849).

It can be written as a sum of positive squares in only one way, i.e., 16402500 + 97344 = 4050^2 + 312^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16499844.

It is not an unprimeable number, because it can be changed into a prime (16499849) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 24034 + ... + 24710.

Almost surely, 2^16499844 is an apocalyptic number.

16499844 is the 4062-nd square number.

It is an amenable number.

16499844 is an abundant number, since it is smaller than the sum of its proper divisors (25269793).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16499844 is an equidigital number, since it uses as much as digits as its factorization.

16499844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 682 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The cubic root of 16499844 is about 254.5813661609.

The spelling of 16499844 in words is "sixteen million, four hundred ninety-nine thousand, eight hundred forty-four".