16745648 has 20 divisors (see below), whose sum is σ = 32520240. Its totient is φ = 8353344.

The previous prime is 16745627. The next prime is 16745653. The reversal of 16745648 is 84654761.

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, 7973 + ... + 9851.

It is an arithmetic number, because the mean of its divisors is an integer number (1626012).

Almost surely, 2^16745648 is an apocalyptic number.

It is an amenable number.

16745648 is a deficient number, since it is larger than the sum of its proper divisors (15774592).

16745648 is a wasteful number, since it uses less digits than its factorization.

16745648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444 (or 2438 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 16745648 is about 4092.1446699744. The cubic root of 16745648 is about 255.8393360384.

The spelling of 16745648 in words is "sixteen million, seven hundred forty-five thousand, six hundred forty-eight".