16006501444 has 12 divisors (see below), whose sum is σ = 28018622268. Its totient is φ = 8001180800.

The previous prime is 16006501421. The next prime is 16006501447. The reversal of 16006501444 is 44410560061.

16006501444 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 2 ways, for example, as 10247512900 + 5758988544 = 101230^2 + 75888^2 .

It is not an unprimeable number, because it can be changed into a prime (16006501447) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 500017 + ... + 531064.

It is an arithmetic number, because the mean of its divisors is an integer number (2334885189).

Almost surely, 2^16006501444 is an apocalyptic number.

It is an amenable number.

16006501444 is a deficient number, since it is larger than the sum of its proper divisors (12012120824).

16006501444 is a wasteful number, since it uses less digits than its factorization.

16006501444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034966 (or 1034964 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 16006501444 in words is "sixteen billion, six million, five hundred one thousand, four hundred forty-four".