16648512 has 28 divisors (see below), whose sum is σ = 44049696. Its totient is φ = 5549440.

The previous prime is 16648507. The next prime is 16648517. The reversal of 16648512 is 21584661.

It is an interprime number because it is at equal distance from previous prime (16648507) and next prime (16648517).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16648517) 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, 43164 + ... + 43547.

Almost surely, 2^16648512 is an apocalyptic number.

16648512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16648512 is an abundant number, since it is smaller than the sum of its proper divisors (27401184).

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

16648512 is an equidigital number, since it uses as much as digits as its factorization.

16648512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86726 (or 86716 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 16648512 is about 4080.2588153204. The cubic root of 16648512 is about 255.3436964861.

The spelling of 16648512 in words is "sixteen million, six hundred forty-eight thousand, five hundred twelve".