16589879 has 2 divisors, whose sum is σ = 16589880. Its totient is φ = 16589878.

The previous prime is 16589863. The next prime is 16589897. The reversal of 16589879 is 97898561.

Together with next prime (16589897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16589879 - 2⁴ = 16589863 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16589879.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16589849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8294939 + 8294940.

It is an arithmetic number, because the mean of its divisors is an integer number (8294940).

Almost surely, 2^16589879 is an apocalyptic number.

16589879 is a deficient number, since it is larger than the sum of its proper divisors (1).

16589879 is an equidigital number, since it uses as much as digits as its factorization.

16589879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 53.

The square root of 16589879 is about 4073.0675172405. The cubic root of 16589879 is about 255.0435860393.

The spelling of 16589879 in words is "sixteen million, five hundred eighty-nine thousand, eight hundred seventy-nine".