16316444 has 12 divisors (see below), whose sum is σ = 29538600. Its totient is φ = 7876848.

The previous prime is 16316441. The next prime is 16316471. The reversal of 16316444 is 44461361.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16316441) 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 3 ways as a sum of consecutive naturals, for example, 70214 + ... + 70445.

It is an arithmetic number, because the mean of its divisors is an integer number (2461550).

Almost surely, 2^16316444 is an apocalyptic number.

It is an amenable number.

16316444 is a deficient number, since it is larger than the sum of its proper divisors (13222156).

16316444 is a wasteful number, since it uses less digits than its factorization.

16316444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140692 (or 140690 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 16316444 is about 4039.3618307847. The cubic root of 16316444 is about 253.6346038754.

The spelling of 16316444 in words is "sixteen million, three hundred sixteen thousand, four hundred forty-four".