18152711824 has 45 divisors (see below), whose sum is σ = 38099147529. Its totient is φ = 8374941120.

The previous prime is 18152711813. The next prime is 18152711833. The reversal of 18152711824 is 42811725181.

It is a happy number.

The square root of 18152711824 is 134732.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2685312400 + 15467399424 = 51820^2 + 124368^2 .

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 8 ways as a sum of consecutive naturals, for example, 7004769 + ... + 7007359.

Almost surely, 2^18152711824 is an apocalyptic number.

18152711824 is the 134732-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18152711824

18152711824 is an abundant number, since it is smaller than the sum of its proper divisors (19946435705).

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

18152711824 is an frugal number, since it uses more digits than its factorization.

18152711824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5216 (or 2606 counting only the distinct ones).

The product of its digits is 35840, while the sum is 40.

The spelling of 18152711824 in words is "eighteen billion, one hundred fifty-two million, seven hundred eleven thousand, eight hundred twenty-four".