16259984018 has 16 divisors (see below), whose sum is σ = 24497821656. Its totient is φ = 8094099840.

The previous prime is 16259984017. The next prime is 16259984023. The reversal of 16259984018 is 81048995261.

16259984018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 15992890369 + 267093649 = 126463^2 + 16343^2 .

It is not an unprimeable number, because it can be changed into a prime (16259984017) 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, 591908 + ... + 618768.

Almost surely, 2^16259984018 is an apocalyptic number.

16259984018 is a deficient number, since it is larger than the sum of its proper divisors (8237837638).

16259984018 is a wasteful number, since it uses less digits than its factorization.

16259984018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28189.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 16259984018 in words is "sixteen billion, two hundred fifty-nine million, nine hundred eighty-four thousand, eighteen".