16321134 has 8 divisors (see below), whose sum is σ = 32642280. Its totient is φ = 5440376.

The previous prime is 16321127. The next prime is 16321169. The reversal of 16321134 is 43112361.

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

16321134 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 16321134.

It is a congruent number.

It is an unprimeable number.

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, 1360089 + ... + 1360100.

It is an arithmetic number, because the mean of its divisors is an integer number (4080285).

Almost surely, 2^16321134 is an apocalyptic number.

16321134 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16321134 is a wasteful number, since it uses less digits than its factorization.

16321134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720194.

The product of its digits is 432, while the sum is 21.

The square root of 16321134 is about 4039.9423263210. The cubic root of 16321134 is about 253.6589031311.

Adding to 16321134 its reverse (43112361), we get a palindrome (59433495).

The spelling of 16321134 in words is "sixteen million, three hundred twenty-one thousand, one hundred thirty-four".