It is a congruent number.
It is an unprimeable number.
Almost surely, 218342198104230 is an apocalyptic number.
18342198104230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18342198104230 is the 2018922-nd centered nonagonal number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18342198104230 is a wasteful number, since it uses less digits than its factorization.
18342198104230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1564.
The spelling of 18342198104230 in words is "eighteen trillion, three hundred forty-two billion, one hundred ninety-eight million, one hundred four thousand, two hundred thirty".