16021044 has 48 divisors (see below), whose sum is σ = 44735040. Its totient is φ = 4929120.

The previous prime is 16021043. The next prime is 16021063. The reversal of 16021044 is 44012061.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16021043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4302 + ... + 7109.

It is an arithmetic number, because the mean of its divisors is an integer number (931980).

Almost surely, 2^16021044 is an apocalyptic number.

It is an amenable number.

16021044 is an abundant number, since it is smaller than the sum of its proper divisors (28713996).

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

16021044 is a wasteful number, since it uses less digits than its factorization.

16021044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11437 (or 11429 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 16021044 is about 4002.6296356271. The cubic root of 16021044 is about 252.0946356580.

The spelling of 16021044 in words is "sixteen million, twenty-one thousand, forty-four".