16656116 has 12 divisors (see below), whose sum is σ = 29222340. Its totient is φ = 8306880.

The previous prime is 16656097. The next prime is 16656119. The reversal of 16656116 is 61165661.

It can be written as a sum of positive squares in 2 ways, for example, as 12931216 + 3724900 = 3596^2 + 1930^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16656119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3455 + ... + 6726.

It is an arithmetic number, because the mean of its divisors is an integer number (2435195).

Almost surely, 2^16656116 is an apocalyptic number.

It is an amenable number.

16656116 is a deficient number, since it is larger than the sum of its proper divisors (12566224).

16656116 is a wasteful number, since it uses less digits than its factorization.

16656116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10594 (or 10592 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The square root of 16656116 is about 4081.1905125833. The cubic root of 16656116 is about 255.3825655842.

The spelling of 16656116 in words is "sixteen million, six hundred fifty-six thousand, one hundred sixteen".