16446321283 has 64 divisors (see below), whose sum is σ = 21248409600. Its totient is φ = 12407230080.

The previous prime is 16446321257. The next prime is 16446321301. The reversal of 16446321283 is 38212364461.

16446321283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16446321283 - 2⁵ = 16446321251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16446321223) 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 63 ways as a sum of consecutive naturals, for example, 31445860 + ... + 31446382.

It is an arithmetic number, because the mean of its divisors is an integer number (332006400).

Almost surely, 2^16446321283 is an apocalyptic number.

16446321283 is a deficient number, since it is larger than the sum of its proper divisors (4802088317).

16446321283 is a wasteful number, since it uses less digits than its factorization.

16446321283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

The product of its digits is 165888, while the sum is 40.

The spelling of 16446321283 in words is "sixteen billion, four hundred forty-six million, three hundred twenty-one thousand, two hundred eighty-three".