16530472 has 16 divisors (see below), whose sum is σ = 35422560. Its totient is φ = 7084464.

The previous prime is 16530463. The next prime is 16530487. The reversal of 16530472 is 27403561.

16530472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 16530472.

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, 147538 + ... + 147649.

It is an arithmetic number, because the mean of its divisors is an integer number (2213910).

Almost surely, 2^16530472 is an apocalyptic number.

It is an amenable number.

16530472 is an abundant number, since it is smaller than the sum of its proper divisors (18892088).

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

16530472 is a wasteful number, since it uses less digits than its factorization.

16530472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295200 (or 295196 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 16530472 is about 4065.7683160751. The cubic root of 16530472 is about 254.7387918601.

The spelling of 16530472 in words is "sixteen million, five hundred thirty thousand, four hundred seventy-two".