2185708584132 has 72 divisors (see below), whose sum is σ = 5565756924000. Its totient is φ = 723195019008.

The previous prime is 2185708584097. The next prime is 2185708584133. The reversal of 2185708584132 is 2314858075812.

It is a happy number.

2185708584132 is a `hidden beast` number, since 2 + 1 + 8 + 57 + 0 + 8 + 584 + 1 + 3 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (2185708584133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29321244 + ... + 29395692.

It is an arithmetic number, because the mean of its divisors is an integer number (77302179500).

Almost surely, 2^{2185708584132} is an apocalyptic number.

It is an amenable number.

2185708584132 is an abundant number, since it is smaller than the sum of its proper divisors (3380048339868).

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

2185708584132 is a wasteful number, since it uses less digits than its factorization.

2185708584132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80465 (or 80460 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 2185708584132 in words is "two trillion, one hundred eighty-five billion, seven hundred eight million, five hundred eighty-four thousand, one hundred thirty-two".