16044628 has 6 divisors (see below), whose sum is σ = 28078106. Its totient is φ = 8022312.

The previous prime is 16044601. The next prime is 16044629. The reversal of 16044628 is 82644061.

16044628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11370384 + 4674244 = 3372^2 + 2162^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16044628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16044629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2005575 + ... + 2005582.

Almost surely, 2^16044628 is an apocalyptic number.

It is an amenable number.

16044628 is a deficient number, since it is larger than the sum of its proper divisors (12033478).

16044628 is a wasteful number, since it uses less digits than its factorization.

16044628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4011161 (or 4011159 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 16044628 is about 4005.5746154578. The cubic root of 16044628 is about 252.2182748111.

Adding to 16044628 its reverse (82644061), we get a palindrome (98688689).

The spelling of 16044628 in words is "sixteen million, forty-four thousand, six hundred twenty-eight".