16146389 has 4 divisors (see below), whose sum is σ = 18453024. Its totient is φ = 13839756.

The previous prime is 16146367. The next prime is 16146401. The reversal of 16146389 is 98364161.

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.

It is not a de Polignac number, because 16146389 - 2¹² = 16142293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16146089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153307 + ... + 1153320.

It is an arithmetic number, because the mean of its divisors is an integer number (4613256).

Almost surely, 2^16146389 is an apocalyptic number.

It is an amenable number.

16146389 is a deficient number, since it is larger than the sum of its proper divisors (2306635).

16146389 is an equidigital number, since it uses as much as digits as its factorization.

16146389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2306634.

The product of its digits is 31104, while the sum is 38.

The square root of 16146389 is about 4018.2569604245. The cubic root of 16146389 is about 252.7503721830.

The spelling of 16146389 in words is "sixteen million, one hundred forty-six thousand, three hundred eighty-nine".