2185036188 has 12 divisors (see below), whose sum is σ = 5098417800. Its totient is φ = 728345392.

The previous prime is 2185036097. The next prime is 2185036199. The reversal of 2185036188 is 8816305812.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91043163 + ... + 91043186.

It is an arithmetic number, because the mean of its divisors is an integer number (424868150).

Almost surely, 2^2185036188 is an apocalyptic number.

It is an amenable number.

2185036188 is an abundant number, since it is smaller than the sum of its proper divisors (2913381612).

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

2185036188 is a wasteful number, since it uses less digits than its factorization.

2185036188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182086356 (or 182086354 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 2185036188 is about 46744.3706557271. The cubic root of 2185036188 is about 1297.6359774480.

The spelling of 2185036188 in words is "two billion, one hundred eighty-five million, thirty-six thousand, one hundred eighty-eight".