16004042 has 8 divisors (see below), whose sum is σ = 25269600. Its totient is φ = 7580844.

The previous prime is 16003997. The next prime is 16004047. The reversal of 16004042 is 24040061.

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

It is a super-2 number, since 2×16004042² = 512258720675528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16004042.

It is not an unprimeable number, because it can be changed into a prime (16004047) by changing a digit.

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, 210542 + ... + 210617.

It is an arithmetic number, because the mean of its divisors is an integer number (3158700).

Almost surely, 2^16004042 is an apocalyptic number.

16004042 is a deficient number, since it is larger than the sum of its proper divisors (9265558).

16004042 is a wasteful number, since it uses less digits than its factorization.

16004042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421180.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 16004042 is about 4000.5052180943. The cubic root of 16004042 is about 252.0054273627.

The spelling of 16004042 in words is "sixteen million, four thousand, forty-two".