16004777280 has 56 divisors (see below), whose sum is σ = 50815170912. Its totient is φ = 4267940352.

The previous prime is 16004777273. The next prime is 16004777293. The reversal of 16004777280 is 8277740061.

16004777280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 8334862 + ... + 8336781.

Almost surely, 2^16004777280 is an apocalyptic number.

16004777280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16004777280 is an abundant number, since it is smaller than the sum of its proper divisors (34810393632).

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

16004777280 is a wasteful number, since it uses less digits than its factorization.

16004777280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16671663 (or 16671653 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 16004777280 in words is "sixteen billion, four million, seven hundred seventy-seven thousand, two hundred eighty".