16044789 has 4 divisors (see below), whose sum is σ = 21393056. Its totient is φ = 10696524.

The previous prime is 16044761. The next prime is 16044811. The reversal of 16044789 is 98744061.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 16044789 - 2¹³ = 16036597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16044709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2674129 + ... + 2674134.

It is an arithmetic number, because the mean of its divisors is an integer number (5348264).

Almost surely, 2^16044789 is an apocalyptic number.

It is an amenable number.

16044789 is a deficient number, since it is larger than the sum of its proper divisors (5348267).

16044789 is an equidigital number, since it uses as much as digits as its factorization.

16044789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5348266.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 16044789 is about 4005.5947123991. The cubic root of 16044789 is about 252.2191184373.

The spelling of 16044789 in words is "sixteen million, forty-four thousand, seven hundred eighty-nine".