216110272 has 56 divisors (see below), whose sum is σ = 492276384. Its totient is φ = 92209152.

The previous prime is 216110263. The next prime is 216110281. The reversal of 216110272 is 272011612.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (216110263) and next prime (216110281).

It is a tau number, because it is divible by the number of its divisors (56).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114198 + ... + 116074.

Almost surely, 2^216110272 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 216110272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246138192).

216110272 is an abundant number, since it is smaller than the sum of its proper divisors (276166112).

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

216110272 is a wasteful number, since it uses less digits than its factorization.

216110272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153 (or 2143 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 216110272 is about 14700.6895076387. The cubic root of 216110272 is about 600.1020863334.

Adding to 216110272 its reverse (272011612), we get a palindrome (488121884).

The spelling of 216110272 in words is "two hundred sixteen million, one hundred ten thousand, two hundred seventy-two".