16648336 has 10 divisors (see below), whose sum is σ = 32256182. Its totient is φ = 8324160.

The previous prime is 16648319. The next prime is 16648339. The reversal of 16648336 is 63384661.

It can be written as a sum of positive squares in only one way, i.e., 16646400 + 1936 = 4080^2 + 44^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16648295 and 16648304.

It is not an unprimeable number, because it can be changed into a prime (16648339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520245 + ... + 520276.

Almost surely, 2^16648336 is an apocalyptic number.

16648336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16648336 is a deficient number, since it is larger than the sum of its proper divisors (15607846).

16648336 is a wasteful number, since it uses less digits than its factorization.

16648336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040529 (or 1040523 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 16648336 is about 4080.2372480041. The cubic root of 16648336 is about 255.3427966930.

It can be divided in two parts, 1664 and 8336, that added together give a 4-th power (10000 = 10⁴).

The spelling of 16648336 in words is "sixteen million, six hundred forty-eight thousand, three hundred thirty-six".