16042 has 8 divisors (see below), whose sum is σ = 25956. Its totient is φ = 7392.

The previous prime is 16033. The next prime is 16057. The reversal of 16042 is 24061.

It can be written as a sum of positive squares in 2 ways, for example, as 12321 + 3721 = 111^2 + 61^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a plaindrome in base 14.

It is a nialpdrome in base 4.

It is a zygodrome in base 4.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283 + ... + 334.

2¹⁶⁰⁴² is an apocalyptic number.

16042 is a deficient number, since it is larger than the sum of its proper divisors (9914).

16042 is a wasteful number, since it uses less digits than its factorization.

16042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 16042 is about 126.6570171763. The cubic root of 16042 is about 25.2204503518.

It can be divided in two parts, 160 and 42, that added together give a palindrome (202).

The spelling of 16042 in words is "sixteen thousand, forty-two".