16538768 has 20 divisors (see below), whose sum is σ = 32133360. Its totient is φ = 8246304.

The previous prime is 16538737. The next prime is 16538801. The reversal of 16538768 is 86783561.

16538768 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5471 + ... + 7937.

It is an arithmetic number, because the mean of its divisors is an integer number (1606668).

Almost surely, 2^16538768 is an apocalyptic number.

It is an amenable number.

16538768 is a deficient number, since it is larger than the sum of its proper divisors (15594592).

16538768 is a wasteful number, since it uses less digits than its factorization.

16538768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 2888 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 16538768 is about 4066.7884134781. The cubic root of 16538768 is about 254.7813992256.

The spelling of 16538768 in words is "sixteen million, five hundred thirty-eight thousand, seven hundred sixty-eight".