16386648 has 16 divisors (see below), whose sum is σ = 40966680. Its totient is φ = 5462208.

The previous prime is 16386647. The next prime is 16386679. The reversal of 16386648 is 84668361.

It is a happy number.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16386641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 341365 + ... + 341412.

Almost surely, 2^16386648 is an apocalyptic number.

It is an amenable number.

16386648 is an abundant number, since it is smaller than the sum of its proper divisors (24580032).

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

16386648 is a wasteful number, since it uses less digits than its factorization.

16386648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682786 (or 682782 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 16386648 is about 4048.0424898956. The cubic root of 16386648 is about 253.9978506442.

The spelling of 16386648 in words is "sixteen million, three hundred eighty-six thousand, six hundred forty-eight".