199800018000036 has 24 divisors (see below), whose sum is σ = 518000046667040. Its totient is φ = 66600005999976.

The previous prime is 199800018000031. The next prime is 199800018000041. The reversal of 199800018000036 is 630000810008991.

It is an interprime number because it is at equal distance from previous prime (199800018000031) and next prime (199800018000041).

It is a junction number, because it is equal to n+sod(n) for n = 199800017999955 and 199800018000000.

It is not an unprimeable number, because it can be changed into a prime (199800018000031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925000083226 + ... + 925000083441.

Almost surely, 2^{199800018000036} is an apocalyptic number.

It is an amenable number.

199800018000036 is an abundant number, since it is smaller than the sum of its proper divisors (318200028667004).

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

199800018000036 is a wasteful number, since it uses less digits than its factorization.

199800018000036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850000166680 (or 1850000166672 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 199800018000036 in words is "one hundred ninety-nine trillion, eight hundred billion, eighteen million, thirty-six", and thus it is an aban number.