2175894216 has 48 divisors (see below), whose sum is σ = 6083151360. Its totient is φ = 701900640.

The previous prime is 2175894191. The next prime is 2175894221. The reversal of 2175894216 is 6124985712.

2175894216 is a `hidden beast` number, since 2 + 17 + 589 + 42 + 16 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 485200 + ... + 489663.

It is an arithmetic number, because the mean of its divisors is an integer number (126732320).

Almost surely, 2^2175894216 is an apocalyptic number.

It is an amenable number.

2175894216 is an abundant number, since it is smaller than the sum of its proper divisors (3907257144).

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

2175894216 is a wasteful number, since it uses less digits than its factorization.

2175894216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974906 (or 974899 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 2175894216 is about 46646.4812820860. The cubic root of 2175894216 is about 1295.8237214517.

The spelling of 2175894216 in words is "two billion, one hundred seventy-five million, eight hundred ninety-four thousand, two hundred sixteen".