181818382002 has 8 divisors (see below), whose sum is σ = 363636764016. Its totient is φ = 60606127332.

The previous prime is 181818382001. The next prime is 181818382043. The reversal of 181818382002 is 200283818181.

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

181818382002 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (181818382001) 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, 15151531828 + ... + 15151531839.

It is an arithmetic number, because the mean of its divisors is an integer number (45454595502).

Almost surely, 2^181818382002 is an apocalyptic number.

181818382002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

181818382002 is a wasteful number, since it uses less digits than its factorization.

181818382002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30303063672.

The product of its (nonzero) digits is 49152, while the sum is 42.

The spelling of 181818382002 in words is "one hundred eighty-one billion, eight hundred eighteen million, three hundred eighty-two thousand, two".