16539768 has 64 divisors (see below), whose sum is σ = 52512000. Its totient is φ = 4725216.

The previous prime is 16539767. The next prime is 16539781. The reversal of 16539768 is 86793561.

It is a happy number.

16539768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16539767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3958 + ... + 6981.

It is an arithmetic number, because the mean of its divisors is an integer number (820500).

Almost surely, 2^16539768 is an apocalyptic number.

16539768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16539768 is an abundant number, since it is smaller than the sum of its proper divisors (35972232).

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

16539768 is a wasteful number, since it uses less digits than its factorization.

16539768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10961 (or 10951 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 16539768 is about 4066.9113587586. The cubic root of 16539768 is about 254.7865341559.

The spelling of 16539768 in words is "sixteen million, five hundred thirty-nine thousand, seven hundred sixty-eight".