16616036 has 6 divisors (see below), whose sum is σ = 29078070. Its totient is φ = 8308016.

The previous prime is 16616027. The next prime is 16616053. The reversal of 16616036 is 63061661.

It can be written as a sum of positive squares in only one way, i.e., 15555136 + 1060900 = 3944^2 + 1030^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077001 + ... + 2077008.

It is an arithmetic number, because the mean of its divisors is an integer number (4846345).

Almost surely, 2^16616036 is an apocalyptic number.

It is an amenable number.

16616036 is a deficient number, since it is larger than the sum of its proper divisors (12462034).

16616036 is a wasteful number, since it uses less digits than its factorization.

16616036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4154013 (or 4154011 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 16616036 is about 4076.2772231535. The cubic root of 16616036 is about 255.1775567178.

Adding to 16616036 its reverse (63061661), we get a palindrome (79677697).

The spelling of 16616036 in words is "sixteen million, six hundred sixteen thousand, thirty-six".