16656444204 has 12 divisors (see below), whose sum is σ = 38865036504. Its totient is φ = 5552148064.

The previous prime is 16656444173. The next prime is 16656444209. The reversal of 16656444204 is 40244465661.

16656444204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (16656444209) 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, 694018497 + ... + 694018520.

It is an arithmetic number, because the mean of its divisors is an integer number (3238753042).

Almost surely, 2^16656444204 is an apocalyptic number.

It is an amenable number.

16656444204 is an abundant number, since it is smaller than the sum of its proper divisors (22208592300).

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

16656444204 is a wasteful number, since it uses less digits than its factorization.

16656444204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388037024 (or 1388037022 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 16656444204 in words is "sixteen billion, six hundred fifty-six million, four hundred forty-four thousand, two hundred four".