16616272 has 20 divisors (see below), whose sum is σ = 32649696. Its totient is φ = 8190560.

The previous prime is 16616251. The next prime is 16616273. The reversal of 16616272 is 27261661.

It is a happy number.

It is a super-2 number, since 2×16616272² = 552200990355968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16616273) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 6178 + ... + 8449.

Almost surely, 2^16616272 is an apocalyptic number.

It is an amenable number.

16616272 is a deficient number, since it is larger than the sum of its proper divisors (16033424).

16616272 is a wasteful number, since it uses less digits than its factorization.

16616272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14706 (or 14700 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 16616272 is about 4076.3061710328. The cubic root of 16616272 is about 255.1787648201.

The spelling of 16616272 in words is "sixteen million, six hundred sixteen thousand, two hundred seventy-two".