16530924 has 12 divisors (see below), whose sum is σ = 38572184. Its totient is φ = 5510304.

The previous prime is 16530901. The next prime is 16530929. The reversal of 16530924 is 42903561.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 16530891 and 16530900.

It is not an unprimeable number, because it can be changed into a prime (16530929) 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, 688777 + ... + 688800.

Almost surely, 2^16530924 is an apocalyptic number.

It is an amenable number.

16530924 is an abundant number, since it is smaller than the sum of its proper divisors (22041260).

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

16530924 is a wasteful number, since it uses less digits than its factorization.

16530924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377584 (or 1377582 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 16530924 is about 4065.8239017449. The cubic root of 16530924 is about 254.7411136507.

The spelling of 16530924 in words is "sixteen million, five hundred thirty thousand, nine hundred twenty-four".