18273827016 has 128 divisors (see below), whose sum is σ = 51184742400. Its totient is φ = 6040630080.

The previous prime is 18273826999. The next prime is 18273827111. The reversal of 18273827016 is 61072837281.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15394375 + ... + 15395561.

It is an arithmetic number, because the mean of its divisors is an integer number (399880800).

Almost surely, 2^18273827016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18273827016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25592371200).

18273827016 is an abundant number, since it is smaller than the sum of its proper divisors (32910915384).

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

18273827016 is a wasteful number, since it uses less digits than its factorization.

18273827016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736 (or 1726 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 18273827016 in words is "eighteen billion, two hundred seventy-three million, eight hundred twenty-seven thousand, sixteen".