16340111 has 4 divisors (see below), whose sum is σ = 17301312. Its totient is φ = 15378912.

The previous prime is 16340087. The next prime is 16340113. The reversal of 16340111 is 11104361.

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

It is a cyclic number.

It is not a de Polignac number, because 16340111 - 2⁶ = 16340047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 961183 = 16340111 / (1 + 6 + 3 + 4 + 0 + 1 + 1 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16340111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16340113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 480575 + ... + 480608.

It is an arithmetic number, because the mean of its divisors is an integer number (4325328).

Almost surely, 2^16340111 is an apocalyptic number.

16340111 is a deficient number, since it is larger than the sum of its proper divisors (961201).

16340111 is an equidigital number, since it uses as much as digits as its factorization.

16340111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961200.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 16340111 is about 4042.2903161450. The cubic root of 16340111 is about 253.7571769509.

Adding to 16340111 its reverse (11104361), we get a palindrome (27444472).

The spelling of 16340111 in words is "sixteen million, three hundred forty thousand, one hundred eleven".