16272216 has 48 divisors (see below), whose sum is σ = 44336760. Its totient is φ = 5391360.

The previous prime is 16272197. The next prime is 16272229. The reversal of 16272216 is 61227261.

16272216 is a `hidden beast` number, since 1 + 627 + 22 + 16 = 666.

16272216 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×16272216⁴ (a number of 30 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16272216.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13311 + ... + 14481.

Almost surely, 2^16272216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16272216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22168380).

16272216 is an abundant number, since it is smaller than the sum of its proper divisors (28064544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16272216 is a wasteful number, since it uses less digits than its factorization.

16272216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376 (or 1369 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 16272216 is about 4033.8834886496. The cubic root of 16272216 is about 253.4052258256.

Adding to 16272216 its reverse (61227261), we get a palindrome (77499477).

The spelling of 16272216 in words is "sixteen million, two hundred seventy-two thousand, two hundred sixteen".