16728080053 has 4 divisors (see below), whose sum is σ = 17712084780. Its totient is φ = 15744075328.

The previous prime is 16728080051. The next prime is 16728080077. The reversal of 16728080053 is 35008082761.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14703260049 + 2024820004 = 121257^2 + 44998^2 .

It is a cyclic number.

It is not a de Polignac number, because 16728080053 - 2¹ = 16728080051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16728079988 and 16728080015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16728080051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492002338 + ... + 492002371.

It is an arithmetic number, because the mean of its divisors is an integer number (4428021195).

Almost surely, 2^16728080053 is an apocalyptic number.

It is an amenable number.

16728080053 is a deficient number, since it is larger than the sum of its proper divisors (984004727).

16728080053 is an equidigital number, since it uses as much as digits as its factorization.

16728080053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984004726.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 16728080053 in words is "sixteen billion, seven hundred twenty-eight million, eighty thousand, fifty-three".