16538672 has 10 divisors (see below), whose sum is σ = 32043708. Its totient is φ = 8269328.

The previous prime is 16538659. The next prime is 16538677. The reversal of 16538672 is 27683561.

16538672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (16538677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516818 + ... + 516849.

Almost surely, 2^16538672 is an apocalyptic number.

It is an amenable number.

16538672 is a deficient number, since it is larger than the sum of its proper divisors (15505036).

16538672 is a wasteful number, since it uses less digits than its factorization.

16538672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033675 (or 1033669 counting only the distinct ones).

The product of its digits is 60480, while the sum is 38.

The square root of 16538672 is about 4066.7766105357. The cubic root of 16538672 is about 254.7809062614.

The spelling of 16538672 in words is "sixteen million, five hundred thirty-eight thousand, six hundred seventy-two".