18078469334048 has 18 divisors (see below), whose sum is σ = 35592033854349. Its totient is φ = 9039222640896.

The previous prime is 18078469334039. The next prime is 18078469334059. The reversal of 18078469334048 is 84043396487081.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 17476647138064 + 601822195984 = 4180508^2 + 775772^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=3006532.

It is a super-2 number, since 2×18078469334048² (a number of 27 digits) contains 22 as substring.

It is a Duffinian 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 2 ways as a sum of consecutive naturals, for example, 23676440 + ... + 24428072.

Almost surely, 2^{18078469334048} is an apocalyptic number.

It is an amenable number.

18078469334048 is a deficient number, since it is larger than the sum of its proper divisors (17513564520301).

18078469334048 is an frugal number, since it uses more digits than its factorization.

18078469334048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503276 (or 751635 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 65.

The spelling of 18078469334048 in words is "eighteen trillion, seventy-eight billion, four hundred sixty-nine million, three hundred thirty-four thousand, forty-eight".