180018000198036 has 288 divisors, whose sum is σ = 630079144934400. Its totient is φ = 43161158551680.

The previous prime is 180018000198007. The next prime is 180018000198053. The reversal of 180018000198036 is 630891000810081.

It is a junction number, because it is equal to n+sod(n) for n = 180018000197982 and 180018000198000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 62639526 + ... + 65450333.

It is an arithmetic number, because the mean of its divisors is an integer number (2187774808800).

Almost surely, 2^{180018000198036} is an apocalyptic number.

It is an amenable number.

180018000198036 is an abundant number, since it is smaller than the sum of its proper divisors (450061144736364).

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

180018000198036 is a wasteful number, since it uses less digits than its factorization.

180018000198036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128089916 (or 128089895 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The spelling of 180018000198036 in words is "one hundred eighty trillion, eighteen billion, one hundred ninety-eight thousand, thirty-six".