16334427 has 32 divisors (see below), whose sum is σ = 23814144. Its totient is φ = 9936000.

The previous prime is 16334419. The next prime is 16334431. The reversal of 16334427 is 72443361.

It is not a de Polignac number, because 16334427 - 2³ = 16334419 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 16334394 and 16334403.

It is not an unprimeable number, because it can be changed into a prime (16334497) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161677 + ... + 161777.

It is an arithmetic number, because the mean of its divisors is an integer number (744192).

Almost surely, 2^16334427 is an apocalyptic number.

16334427 is a deficient number, since it is larger than the sum of its proper divisors (7479717).

16334427 is a wasteful number, since it uses less digits than its factorization.

16334427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219.

The product of its digits is 12096, while the sum is 30.

The square root of 16334427 is about 4041.5871882220. The cubic root of 16334427 is about 253.7277499156.

Adding to 16334427 its reverse (72443361), we get a palindrome (88777788).

It can be divided in two parts, 16334 and 427, that added together give a palindrome (16761).

The spelling of 16334427 in words is "sixteen million, three hundred thirty-four thousand, four hundred twenty-seven".