16290089 has 2 divisors, whose sum is σ = 16290090. Its totient is φ = 16290088.

The previous prime is 16290073. The next prime is 16290119. The reversal of 16290089 is 98009261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15936064 + 354025 = 3992^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 16290089 - 2⁴ = 16290073 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16290019) by changing a digit.

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 as a sum of consecutive naturals, namely, 8145044 + 8145045.

It is an arithmetic number, because the mean of its divisors is an integer number (8145045).

Almost surely, 2^16290089 is an apocalyptic number.

It is an amenable number.

16290089 is a deficient number, since it is larger than the sum of its proper divisors (1).

16290089 is an equidigital number, since it uses as much as digits as its factorization.

16290089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 16290089 is about 4036.0982396369. The cubic root of 16290089 is about 253.4979698909.

The spelling of 16290089 in words is "sixteen million, two hundred ninety thousand, eighty-nine".