16646848 has 56 divisors (see below), whose sum is σ = 35405568. Its totient is φ = 7746816.

The previous prime is 16646843. The next prime is 16646857. The reversal of 16646848 is 84864661.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16646843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63165 + ... + 63427.

Almost surely, 2^16646848 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 16646848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17702784).

16646848 is an abundant number, since it is smaller than the sum of its proper divisors (18758720).

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

16646848 is a wasteful number, since it uses less digits than its factorization.

16646848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 331 counting only the distinct ones).

The product of its digits is 221184, while the sum is 43.

The square root of 16646848 is about 4080.0549015914. The cubic root of 16646848 is about 255.3351890979.

The spelling of 16646848 in words is "sixteen million, six hundred forty-six thousand, eight hundred forty-eight".