16089791 has 2 divisors, whose sum is σ = 16089792. Its totient is φ = 16089790.

The previous prime is 16089781. The next prime is 16089833. The reversal of 16089791 is 19798061.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16089791 - 2⁶ = 16089727 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16089721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8044895 + 8044896.

It is an arithmetic number, because the mean of its divisors is an integer number (8044896).

Almost surely, 2^16089791 is an apocalyptic number.

16089791 is a deficient number, since it is larger than the sum of its proper divisors (1).

16089791 is an equidigital number, since it uses as much as digits as its factorization.

16089791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 41.

The square root of 16089791 is about 4011.2081721097. The cubic root of 16089791 is about 252.4547041580.

The spelling of 16089791 in words is "sixteen million, eighty-nine thousand, seven hundred ninety-one".