16589139 has 8 divisors (see below), whose sum is σ = 25278720. Its totient is φ = 9479496.

The previous prime is 16589137. The next prime is 16589171. The reversal of 16589139 is 93198561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16589139 - 2¹ = 16589137 is a prime.

It is a super-2 number, since 2×16589139² = 550399065522642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16589139.

It is not an unprimeable number, because it can be changed into a prime (16589137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394959 + ... + 395000.

It is an arithmetic number, because the mean of its divisors is an integer number (3159840).

Almost surely, 2^16589139 is an apocalyptic number.

16589139 is a deficient number, since it is larger than the sum of its proper divisors (8689581).

16589139 is an equidigital number, since it uses as much as digits as its factorization.

16589139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789969.

The product of its digits is 58320, while the sum is 42.

The square root of 16589139 is about 4072.9766756023. The cubic root of 16589139 is about 255.0397938666.

It can be divided in two parts, 16 and 589139, that added together give a triangular number (589155 = T₁₀₈₅).

The spelling of 16589139 in words is "sixteen million, five hundred eighty-nine thousand, one hundred thirty-nine".