16728107 has 16 divisors (see below), whose sum is σ = 19567872. Its totient is φ = 14145120.

The previous prime is 16728083. The next prime is 16728109. The reversal of 16728107 is 70182761.

It is not a de Polignac number, because 16728107 - 2⁶ = 16728043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16728109) 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, 8468 + ... + 10254.

It is an arithmetic number, because the mean of its divisors is an integer number (1222992).

Almost surely, 2^16728107 is an apocalyptic number.

16728107 is a deficient number, since it is larger than the sum of its proper divisors (2839765).

16728107 is a wasteful number, since it uses less digits than its factorization.

16728107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1858.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 16728107 is about 4090.0008557456. Note that the first 3 decimals coincide. The cubic root of 16728107 is about 255.7499745986.

It can be divided in two parts, 1672 and 8107, that added together give a palindrome (9779).

The spelling of 16728107 in words is "sixteen million, seven hundred twenty-eight thousand, one hundred seven".