16386768 has 30 divisors (see below), whose sum is σ = 45860594. Its totient is φ = 5462208.

The previous prime is 16386767. The next prime is 16386781. The reversal of 16386768 is 86768361.

16386768 is a `hidden beast` number, since 1 + 638 + 6 + 7 + 6 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12027024 + 4359744 = 3468^2 + 2088^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16386761) 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 5 ways as a sum of consecutive naturals, for example, 56755 + ... + 57042.

Almost surely, 2^16386768 is an apocalyptic number.

16386768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16386768 is an abundant number, since it is smaller than the sum of its proper divisors (29473826).

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

16386768 is a wasteful number, since it uses less digits than its factorization.

16386768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113811 (or 113802 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 16386768 is about 4048.0573118473. The cubic root of 16386768 is about 253.9984706544.

The spelling of 16386768 in words is "sixteen million, three hundred eighty-six thousand, seven hundred sixty-eight".