18182482208 has 90 divisors (see below), whose sum is σ = 39577087305. Its totient is φ = 8222811520.

The previous prime is 18182482207. The next prime is 18182482223. The reversal of 18182482208 is 80228428181.

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 11649316624 + 6533165584 = 107932^2 + 80828^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=95348.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18182482207) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 92296766 + ... + 92296962.

Almost surely, 2^18182482208 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 18182482208

18182482208 is an abundant number, since it is smaller than the sum of its proper divisors (21394605097).

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

18182482208 is an frugal number, since it uses more digits than its factorization.

18182482208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 131072, while the sum is 44.

The spelling of 18182482208 in words is "eighteen billion, one hundred eighty-two million, four hundred eighty-two thousand, two hundred eight".