16428716 has 24 divisors (see below), whose sum is σ = 30153984. Its totient is φ = 7817040.

The previous prime is 16428707. The next prime is 16428719. The reversal of 16428716 is 61782461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16428719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25721 + ... + 26351.

It is an arithmetic number, because the mean of its divisors is an integer number (1256416).

Almost surely, 2^16428716 is an apocalyptic number.

It is an amenable number.

16428716 is a deficient number, since it is larger than the sum of its proper divisors (13725268).

16428716 is a wasteful number, since it uses less digits than its factorization.

16428716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 939 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 16428716 is about 4053.2352510063. The cubic root of 16428716 is about 254.2150203564.

The spelling of 16428716 in words is "sixteen million, four hundred twenty-eight thousand, seven hundred sixteen".