16089365 has 4 divisors (see below), whose sum is σ = 19307244. Its totient is φ = 12871488.

The previous prime is 16089347. The next prime is 16089373. The reversal of 16089365 is 56398061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9156676 + 6932689 = 3026^2 + 2633^2 .

It is a cyclic number.

It is not a de Polignac number, because 16089365 - 2⁸ = 16089109 is a prime.

It is a super-2 number, since 2×16089365² = 517735332206450, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 1608932 + ... + 1608941.

It is an arithmetic number, because the mean of its divisors is an integer number (4826811).

Almost surely, 2^16089365 is an apocalyptic number.

It is an amenable number.

16089365 is a deficient number, since it is larger than the sum of its proper divisors (3217879).

16089365 is an equidigital number, since it uses as much as digits as its factorization.

16089365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217878.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 16089365 is about 4011.1550705501. The cubic root of 16089365 is about 252.4524761064.

The spelling of 16089365 in words is "sixteen million, eighty-nine thousand, three hundred sixty-five".