16004127 has 16 divisors (see below), whose sum is σ = 22077440. Its totient is φ = 10305792.

The previous prime is 16004119. The next prime is 16004129. The reversal of 16004127 is 72140061.

It is not a de Polignac number, because 16004127 - 2³ = 16004119 is a prime.

It is a super-2 number, since 2×16004127² = 512264162064258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16004129) 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 15 ways as a sum of consecutive naturals, for example, 11874 + ... + 13152.

It is an arithmetic number, because the mean of its divisors is an integer number (1379840).

Almost surely, 2^16004127 is an apocalyptic number.

16004127 is a deficient number, since it is larger than the sum of its proper divisors (6073313).

16004127 is a wasteful number, since it uses less digits than its factorization.

16004127 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 16004127 is about 4000.5158417384. The cubic root of 16004127 is about 252.0058735089.

Adding to 16004127 its reverse (72140061), we get a palindrome (88144188).

The spelling of 16004127 in words is "sixteen million, four thousand, one hundred twenty-seven".