216267147 has 6 divisors (see below), whose sum is σ = 312385892. Its totient is φ = 144178092.

The previous prime is 216267133. The next prime is 216267151. The reversal of 216267147 is 741762612.

216267147 is a `hidden beast` number, since 21 + 626 + 7 + 1 + 4 + 7 = 666.

It is not a de Polignac number, because 216267147 - 2¹¹ = 216265099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (216227147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12014833 + ... + 12014850.

Almost surely, 2^216267147 is an apocalyptic number.

216267147 is a deficient number, since it is larger than the sum of its proper divisors (96118745).

216267147 is a wasteful number, since it uses less digits than its factorization.

216267147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24029689 (or 24029686 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 216267147 is about 14706.0241737867. The cubic root of 216267147 is about 600.2472564264.

The spelling of 216267147 in words is "two hundred sixteen million, two hundred sixty-seven thousand, one hundred forty-seven".