16728655349 has 8 divisors (see below), whose sum is σ = 19360469760. Its totient is φ = 14157342576.

The previous prime is 16728655337. The next prime is 16728655379. The reversal of 16728655349 is 94355682761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16728655349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16728655294 and 16728655303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16728655379) 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 7 ways as a sum of consecutive naturals, for example, 15124814 + ... + 15125919.

It is an arithmetic number, because the mean of its divisors is an integer number (2420058720).

Almost surely, 2^16728655349 is an apocalyptic number.

It is an amenable number.

16728655349 is a deficient number, since it is larger than the sum of its proper divisors (2631814411).

16728655349 is an equidigital number, since it uses as much as digits as its factorization.

16728655349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30250819.

The product of its digits is 10886400, while the sum is 56.

The spelling of 16728655349 in words is "sixteen billion, seven hundred twenty-eight million, six hundred fifty-five thousand, three hundred forty-nine".