16422003280 has 40 divisors (see below), whose sum is σ = 38212757352. Its totient is φ = 6563364864.

The previous prime is 16422003253. The next prime is 16422003287. The reversal of 16422003280 is 8230022461.

16422003280 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 4 ways, for example, as 3997779984 + 12424223296 = 63228^2 + 111464^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422003287) 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 7 ways as a sum of consecutive naturals, for example, 13024 + ... + 181696.

Almost surely, 2^16422003280 is an apocalyptic number.

16422003280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16422003280 is an abundant number, since it is smaller than the sum of its proper divisors (21790754072).

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

16422003280 is a wasteful number, since it uses less digits than its factorization.

16422003280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169903 (or 169897 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 16422003280 in words is "sixteen billion, four hundred twenty-two million, three thousand, two hundred eighty".