2016667189 has 2 divisors, whose sum is σ = 2016667190. Its totient is φ = 2016667188.

The previous prime is 2016667157. The next prime is 2016667193. The reversal of 2016667189 is 9817666102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1991836900 + 24830289 = 44630^2 + 4983^2 .

It is a cyclic number.

It is not a de Polignac number, because 2016667189 - 2⁵ = 2016667157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2016667489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1008333594 + 1008333595.

It is an arithmetic number, because the mean of its divisors is an integer number (1008333595).

Almost surely, 2^2016667189 is an apocalyptic number.

It is an amenable number.

2016667189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2016667189 is an equidigital number, since it uses as much as digits as its factorization.

2016667189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2016667189 is about 44907.3177667070. The cubic root of 2016667189 is about 1263.4112628129.

The spelling of 2016667189 in words is "two billion, sixteen million, six hundred sixty-seven thousand, one hundred eighty-nine".