2189084166 has 48 divisors (see below), whose sum is σ = 4863693744. Its totient is φ = 711355392.

The previous prime is 2189084159. The next prime is 2189084167. The reversal of 2189084166 is 6614809812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2189084167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107626 + ... + 126338.

It is an arithmetic number, because the mean of its divisors is an integer number (101326953).

Almost surely, 2^2189084166 is an apocalyptic number.

2189084166 is an abundant number, since it is smaller than the sum of its proper divisors (2674609578).

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

2189084166 is a wasteful number, since it uses less digits than its factorization.

2189084166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18885 (or 18882 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 2189084166 is about 46787.6497165652. The cubic root of 2189084166 is about 1298.4368126146.

The spelling of 2189084166 in words is "two billion, one hundred eighty-nine million, eighty-four thousand, one hundred sixty-six".