2016189 has 12 divisors (see below), whose sum is σ = 3328416. Its totient is φ = 1152072.

The previous prime is 2016181. The next prime is 2016193. The reversal of 2016189 is 9816102.

It is not a de Polignac number, because 2016189 - 2³ = 2016181 is a prime.

It is an Ulam number.

2016189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2016181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15939 + ... + 16064.

It is an arithmetic number, because the mean of its divisors is an integer number (277368).

2^2016189 is an apocalyptic number.

It is an amenable number.

2016189 is a deficient number, since it is larger than the sum of its proper divisors (1312227).

2016189 is a wasteful number, since it uses less digits than its factorization.

2016189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32016 (or 32013 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2016189 is about 1419.9257022816. The cubic root of 2016189 is about 126.3311395545.

The spelling of 2016189 in words is "two million, sixteen thousand, one hundred eighty-nine".