16012459009 has 8 divisors (see below), whose sum is σ = 16248824928. Its totient is φ = 15777548160.

The previous prime is 16012459007. The next prime is 16012459039. The reversal of 16012459009 is 90095421061.

16012459009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 16012459009 - 2¹ = 16012459007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16012459007) 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, 341587 + ... + 385624.

It is an arithmetic number, because the mean of its divisors is an integer number (2031103116).

Almost surely, 2^16012459009 is an apocalyptic number.

It is an amenable number.

16012459009 is a deficient number, since it is larger than the sum of its proper divisors (236365919).

16012459009 is an equidigital number, since it uses as much as digits as its factorization.

16012459009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727535.

The product of its (nonzero) digits is 19440, while the sum is 37.

The spelling of 16012459009 in words is "sixteen billion, twelve million, four hundred fifty-nine thousand, nine".