1800018362196 has 36 divisors (see below), whose sum is σ = 4718566655712. Its totient is φ = 600006120408.

The previous prime is 1800018362179. The next prime is 1800018362209. The reversal of 1800018362196 is 6912638100081.

1800018362196 is a `hidden beast` number, since 1 + 8 + 0 + 0 + 0 + 18 + 3 + 621 + 9 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1800018362196² (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 11 ways as a sum of consecutive naturals, for example, 925934400 + ... + 925936343.

It is an arithmetic number, because the mean of its divisors is an integer number (131071295992).

Almost surely, 2^{1800018362196} is an apocalyptic number.

It is an amenable number.

1800018362196 is an abundant number, since it is smaller than the sum of its proper divisors (2918548293516).

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

1800018362196 is a wasteful number, since it uses less digits than its factorization.

1800018362196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1851870762 (or 1851870748 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 1800018362196 in words is "one trillion, eight hundred billion, eighteen million, three hundred sixty-two thousand, one hundred ninety-six".