16648448 has 18 divisors (see below), whose sum is σ = 33232374. Its totient is φ = 8324096.

The previous prime is 16648441. The next prime is 16648469. The reversal of 16648448 is 84484661.

It can be written as a sum of positive squares in only one way, i.e., 16386304 + 262144 = 4048^2 + 512^2 .

It is not an unprimeable number, because it can be changed into a prime (16648441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32261 + ... + 32772.

It is an arithmetic number, because the mean of its divisors is an integer number (1846243).

Almost surely, 2^16648448 is an apocalyptic number.

It is an amenable number.

16648448 is a deficient number, since it is larger than the sum of its proper divisors (16583926).

16648448 is an frugal number, since it uses more digits than its factorization.

16648448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65049 (or 65035 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 16648448 is about 4080.2509726731. The cubic root of 16648448 is about 255.3433692894.

The spelling of 16648448 in words is "sixteen million, six hundred forty-eight thousand, four hundred forty-eight".