16565248 has 44 divisors (see below), whose sum is σ = 37861312. Its totient is φ = 7096320.

The previous prime is 16565209. The next prime is 16565249. The reversal of 16565248 is 84256561.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (16565249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6013 + ... + 8323.

Almost surely, 2^16565248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16565248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18930656).

16565248 is an abundant number, since it is smaller than the sum of its proper divisors (21296064).

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

16565248 is an equidigital number, since it uses as much as digits as its factorization.

16565248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2338 (or 2320 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 16565248 is about 4070.0427516182. The cubic root of 16565248 is about 254.9173024161.

The spelling of 16565248 in words is "sixteen million, five hundred sixty-five thousand, two hundred forty-eight".