18284221103660 has 48 divisors (see below), whose sum is σ = 39148605138720. Its totient is φ = 7171883182080.

The previous prime is 18284221103627. The next prime is 18284221103677. The reversal of 18284221103660 is 6630112248281.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43021826 + ... + 43444745.

It is an arithmetic number, because the mean of its divisors is an integer number (815595940390).

Almost surely, 2^{18284221103660} is an apocalyptic number.

18284221103660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18284221103660 is an abundant number, since it is smaller than the sum of its proper divisors (20864384035060).

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

18284221103660 is a wasteful number, since it uses less digits than its factorization.

18284221103660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86466786 (or 86466784 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 44.

The spelling of 18284221103660 in words is "eighteen trillion, two hundred eighty-four billion, two hundred twenty-one million, one hundred three thousand, six hundred sixty".