16545472 has 28 divisors (see below), whose sum is σ = 32964120. Its totient is φ = 8239616.

The previous prime is 16545467. The next prime is 16545481. The reversal of 16545472 is 27454561.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26508 + ... + 27124.

It is an arithmetic number, because the mean of its divisors is an integer number (1177290).

Almost surely, 2^16545472 is an apocalyptic number.

It is an amenable number.

16545472 is a deficient number, since it is larger than the sum of its proper divisors (16418648).

16545472 is an equidigital number, since it uses as much as digits as its factorization.

16545472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048 (or 1038 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 16545472 is about 4067.6125675880. The cubic root of 16545472 is about 254.8158198419.

The spelling of 16545472 in words is "sixteen million, five hundred forty-five thousand, four hundred seventy-two".