16573648 has 40 divisors (see below), whose sum is σ = 39525248. Its totient is φ = 6556032.

The previous prime is 16573633. The next prime is 16573649. The reversal of 16573648 is 84637561.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 16573648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16573649) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4236 + ... + 7147.

Almost surely, 2^16573648 is an apocalyptic number.

It is an amenable number.

16573648 is an abundant number, since it is smaller than the sum of its proper divisors (22951600).

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

16573648 is a wasteful number, since it uses less digits than its factorization.

16573648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11411 (or 11405 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 16573648 is about 4071.0745510246. The cubic root of 16573648 is about 254.9603834393.

The spelling of 16573648 in words is "sixteen million, five hundred seventy-three thousand, six hundred forty-eight".