16444542 has 16 divisors (see below), whose sum is σ = 34823952. Its totient is φ = 5159040.

The previous prime is 16444513. The next prime is 16444553. The reversal of 16444542 is 24544461.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80509 + ... + 80712.

It is an arithmetic number, because the mean of its divisors is an integer number (2176497).

Almost surely, 2^16444542 is an apocalyptic number.

16444542 is an abundant number, since it is smaller than the sum of its proper divisors (18379410).

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

16444542 is a wasteful number, since it uses less digits than its factorization.

16444542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161243.

The product of its digits is 15360, while the sum is 30.

The square root of 16444542 is about 4055.1870487069. The cubic root of 16444542 is about 254.2966237256.

The spelling of 16444542 in words is "sixteen million, four hundred forty-four thousand, five hundred forty-two".