16280116 has 24 divisors (see below), whose sum is σ = 29751624. Its totient is φ = 7787520.

The previous prime is 16280081. The next prime is 16280119. The reversal of 16280116 is 61108261.

16280116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 119716 + 16160400 = 346^2 + 4020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16280119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7756 + ... + 9628.

It is an arithmetic number, because the mean of its divisors is an integer number (1239651).

Almost surely, 2^16280116 is an apocalyptic number.

It is an amenable number.

16280116 is a deficient number, since it is larger than the sum of its proper divisors (13471508).

16280116 is a wasteful number, since it uses less digits than its factorization.

16280116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971 (or 1969 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 16280116 is about 4034.8625751071. The cubic root of 16280116 is about 253.4462277683.

Adding to 16280116 its reverse (61108261), we get a palindrome (77388377).

The spelling of 16280116 in words is "sixteen million, two hundred eighty thousand, one hundred sixteen".