18182000002 has 8 divisors (see below), whose sum is σ = 27543030012. Its totient is φ = 9000990000.

The previous prime is 18181999991. The next prime is 18182000009. The reversal of 18182000002 is 20000028181.

It can be written as a sum of positive squares in 2 ways, for example, as 18130891801 + 51108201 = 134651^2 + 7149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18182000009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45004749 + ... + 45005152.

Almost surely, 2^18182000002 is an apocalyptic number.

18182000002 is a deficient number, since it is larger than the sum of its proper divisors (9361030010).

18182000002 is a wasteful number, since it uses less digits than its factorization.

18182000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90010004.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 18182000002 its reverse (20000028181), we get a palindrome (38182028183).

The spelling of 18182000002 in words is "eighteen billion, one hundred eighty-two million, two", and thus it is an aban number.