16213089 has 4 divisors (see below), whose sum is σ = 21617456. Its totient is φ = 10808724.

The previous prime is 16213079. The next prime is 16213097. The reversal of 16213089 is 98031261.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98031261 = 3 ⋅32677087.

It is not a de Polignac number, because 16213089 - 2¹³ = 16204897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16213039) 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 3 ways as a sum of consecutive naturals, for example, 2702179 + ... + 2702184.

It is an arithmetic number, because the mean of its divisors is an integer number (5404364).

Almost surely, 2^16213089 is an apocalyptic number.

It is an amenable number.

16213089 is a deficient number, since it is larger than the sum of its proper divisors (5404367).

16213089 is an equidigital number, since it uses as much as digits as its factorization.

16213089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404366.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 16213089 is about 4026.5480252941. The cubic root of 16213089 is about 253.0979274811.

The spelling of 16213089 in words is "sixteen million, two hundred thirteen thousand, eighty-nine".