18183820002 has 16 divisors (see below), whose sum is σ = 38281726560. Its totient is φ = 5742258912.

The previous prime is 18183819991. The next prime is 18183820003. The reversal of 18183820002 is 20002838181.

It is not an unprimeable number, because it can be changed into a prime (18183820003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79753483 + ... + 79753710.

It is an arithmetic number, because the mean of its divisors is an integer number (2392607910).

Almost surely, 2^18183820002 is an apocalyptic number.

18183820002 is an abundant number, since it is smaller than the sum of its proper divisors (20097906558).

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

18183820002 is a wasteful number, since it uses less digits than its factorization.

18183820002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159507217.

The product of its (nonzero) digits is 6144, while the sum is 33.

The spelling of 18183820002 in words is "eighteen billion, one hundred eighty-three million, eight hundred twenty thousand, two".