1818183818382 has 16 divisors (see below), whose sum is σ = 3827755407360. Its totient is φ = 574163311032.

The previous prime is 1818183818309. The next prime is 1818183818411. The reversal of 1818183818382 is 2838183818181.

It is a super-2 number, since 2×1818183818382² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7974490318 + ... + 7974490545.

It is an arithmetic number, because the mean of its divisors is an integer number (239234712960).

Almost surely, 2^{1818183818382} is an apocalyptic number.

1818183818382 is an abundant number, since it is smaller than the sum of its proper divisors (2009571588978).

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

1818183818382 is a wasteful number, since it uses less digits than its factorization.

1818183818382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15948980887.

The product of its digits is 4718592, while the sum is 60.

The spelling of 1818183818382 in words is "one trillion, eight hundred eighteen billion, one hundred eighty-three million, eight hundred eighteen thousand, three hundred eighty-two".