16648536 has 16 divisors (see below), whose sum is σ = 41621400. Its totient is φ = 5549504.

The previous prime is 16648517. The next prime is 16648543. The reversal of 16648536 is 63584661.

16648536 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 16648494 and 16648503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346821 + ... + 346868.

Almost surely, 2^16648536 is an apocalyptic number.

It is an amenable number.

16648536 is an abundant number, since it is smaller than the sum of its proper divisors (24972864).

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

16648536 is a wasteful number, since it uses less digits than its factorization.

16648536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693698 (or 693694 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 16648536 is about 4080.2617563093. The cubic root of 16648536 is about 255.3438191847.

The spelling of 16648536 in words is "sixteen million, six hundred forty-eight thousand, five hundred thirty-six".