16545772 has 12 divisors (see below), whose sum is σ = 28984536. Its totient is φ = 8264480.

The previous prime is 16545733. The next prime is 16545773. The reversal of 16545772 is 27754561.

It is not an unprimeable number, because it can be changed into a prime (16545773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4968 + ... + 7600.

It is an arithmetic number, because the mean of its divisors is an integer number (2415378).

Almost surely, 2^16545772 is an apocalyptic number.

It is an amenable number.

16545772 is a deficient number, since it is larger than the sum of its proper divisors (12438764).

16545772 is a wasteful number, since it uses less digits than its factorization.

16545772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208 (or 4206 counting only the distinct ones).

The product of its digits is 58800, while the sum is 37.

The square root of 16545772 is about 4067.6494440893. The cubic root of 16545772 is about 254.8173599266.

The spelling of 16545772 in words is "sixteen million, five hundred forty-five thousand, seven hundred seventy-two".