1818183820002 has 48 divisors (see below), whose sum is σ = 4011858305280. Its totient is φ = 548916538720.

The previous prime is 1818183820001. The next prime is 1818183820009. The reversal of 1818183820002 is 2000283818181.

It is not an unprimeable number, because it can be changed into a prime (1818183820001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4459698 + ... + 4850285.

It is an arithmetic number, because the mean of its divisors is an integer number (83580381360).

Almost surely, 2^{1818183820002} is an apocalyptic number.

1818183820002 is an abundant number, since it is smaller than the sum of its proper divisors (2193674485278).

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

1818183820002 is a wasteful number, since it uses less digits than its factorization.

1818183820002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9310279 (or 9310268 counting only the distinct ones).

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

The spelling of 1818183820002 in words is "one trillion, eight hundred eighteen billion, one hundred eighty-three million, eight hundred twenty thousand, two".