16711489 has 2 divisors, whose sum is σ = 16711490. Its totient is φ = 16711488.

The previous prime is 16711463. The next prime is 16711543. The reversal of 16711489 is 98411761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11458225 + 5253264 = 3385^2 + 2292^2 .

It is a cyclic number.

It is not a de Polignac number, because 16711489 - 2⁷ = 16711361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16711789) 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, 8355744 + 8355745.

It is an arithmetic number, because the mean of its divisors is an integer number (8355745).

Almost surely, 2^16711489 is an apocalyptic number.

It is an amenable number.

16711489 is a deficient number, since it is larger than the sum of its proper divisors (1).

16711489 is an equidigital number, since it uses as much as digits as its factorization.

16711489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 37.

The square root of 16711489 is about 4087.9688110356. The cubic root of 16711489 is about 255.6652576764.

It can be divided in two parts, 1671 and 1489, that added together give a triangular number (3160 = T₇₉).

The spelling of 16711489 in words is "sixteen million, seven hundred eleven thousand, four hundred eighty-nine".