16560016256 has 64 divisors (see below), whose sum is σ = 37726332000. Its totient is φ = 7092873216.

The previous prime is 16560016229. The next prime is 16560016273. The reversal of 16560016256 is 65261006561.

16560016256 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 (64).

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, 1813430 + ... + 1822538.

Almost surely, 2^16560016256 is an apocalyptic number.

16560016256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16560016256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18863166000).

16560016256 is an abundant number, since it is smaller than the sum of its proper divisors (21166315744).

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

16560016256 is an equidigital number, since it uses as much as digits as its factorization.

16560016256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11159 (or 11147 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 16560016256 in words is "sixteen billion, five hundred sixty million, sixteen thousand, two hundred fifty-six".