16241216 has 14 divisors (see below), whose sum is σ = 32228790. Its totient is φ = 8120576.

The previous prime is 16241167. The next prime is 16241227. The reversal of 16241216 is 61214261.

16241216 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 only one way, i.e., 15241216 + 1000000 = 3904^2 + 1000^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16241191 and 16241200.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126821 + ... + 126948.

Almost surely, 2^16241216 is an apocalyptic number.

16241216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16241216 is a deficient number, since it is larger than the sum of its proper divisors (15987574).

16241216 is an equidigital number, since it uses as much as digits as its factorization.

16241216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253781 (or 253771 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 16241216 is about 4030.0392057646. The cubic root of 16241216 is about 253.2442037948.

Adding to 16241216 its reverse (61214261), we get a palindrome (77455477).

The spelling of 16241216 in words is "sixteen million, two hundred forty-one thousand, two hundred sixteen".