16342 has 4 divisors (see below), whose sum is σ = 24516. Its totient is φ = 8170.

The previous prime is 16339. The next prime is 16349. The reversal of 16342 is 24361.

16342 is an esthetic number in base 7, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24361 = 17 ⋅1433.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16349) by changing a digit.

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 as a sum of consecutive naturals, namely, 4084 + ... + 4087.

It is an arithmetic number, because the mean of its divisors is an integer number (6129).

2¹⁶³⁴² is an apocalyptic number.

16342 is a deficient number, since it is larger than the sum of its proper divisors (8174).

16342 is an equidigital number, since it uses as much as digits as its factorization.

16342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8173.

The product of its digits is 144, while the sum is 16.

The square root of 16342 is about 127.8358322224. The cubic root of 16342 is about 25.3766955114.

The spelling of 16342 in words is "sixteen thousand, three hundred forty-two".