18822656288 has 54 divisors (see below), whose sum is σ = 37654772211. Its totient is φ = 9261929664.

The previous prime is 18822656273. The next prime is 18822656383. The reversal of 18822656288 is 88265622881.

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 only one way, i.e., 9411328144 + 9411328144 = 97012^2 + 97012^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=97012.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 61311431 + ... + 61311737.

Almost surely, 2^18822656288 is an apocalyptic number.

It is an amenable number.

18822656288 is an abundant number, since it is smaller than the sum of its proper divisors (18832115923).

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

18822656288 is an frugal number, since it uses more digits than its factorization.

18822656288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 388 counting only the distinct ones).

The product of its digits is 5898240, while the sum is 56.

The spelling of 18822656288 in words is "eighteen billion, eight hundred twenty-two million, six hundred fifty-six thousand, two hundred eighty-eight".