16539712 has 28 divisors (see below), whose sum is σ = 37510720. Its totient is φ = 7088256.

The previous prime is 16539707. The next prime is 16539713. The reversal of 16539712 is 21793561.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (16539713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18012 + ... + 18907.

Almost surely, 2^16539712 is an apocalyptic number.

It is an amenable number.

16539712 is an abundant number, since it is smaller than the sum of its proper divisors (20971008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16539712 is an equidigital number, since it uses as much as digits as its factorization.

16539712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36938 (or 36928 counting only the distinct ones).

The product of its digits is 11340, while the sum is 34.

The square root of 16539712 is about 4066.9044739212. The cubic root of 16539712 is about 254.7862466053.

The spelling of 16539712 in words is "sixteen million, five hundred thirty-nine thousand, seven hundred twelve".