216028267 has 16 divisors (see below), whose sum is σ = 270246592. Its totient is φ = 168117120.

The previous prime is 216028261. The next prime is 216028273. The reversal of 216028267 is 762820612.

It is an interprime number because it is at equal distance from previous prime (216028261) and next prime (216028273).

It is a cyclic number.

It is not a de Polignac number, because 216028267 - 2¹⁵ = 215995499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216028261) 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 15 ways as a sum of consecutive naturals, for example, 13908 + ... + 25009.

It is an arithmetic number, because the mean of its divisors is an integer number (16890412).

Almost surely, 2^216028267 is an apocalyptic number.

216028267 is a deficient number, since it is larger than the sum of its proper divisors (54218325).

216028267 is a wasteful number, since it uses less digits than its factorization.

216028267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38998.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 216028267 is about 14697.9000881078. The cubic root of 216028267 is about 600.0261720065.

Adding to 216028267 its reverse (762820612), we get a palindrome (978848879).

The spelling of 216028267 in words is "two hundred sixteen million, twenty-eight thousand, two hundred sixty-seven".