216343267 has 8 divisors (see below), whose sum is σ = 257999616. Its totient is φ = 177374472.

The previous prime is 216343261. The next prime is 216343273. The reversal of 216343267 is 762343612.

216343267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (216343261) and next prime (216343273).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 216343267 - 2¹⁹ = 215818979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (216343261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671713 + ... + 672034.

It is an arithmetic number, because the mean of its divisors is an integer number (32249952).

Almost surely, 2^216343267 is an apocalyptic number.

216343267 is a deficient number, since it is larger than the sum of its proper divisors (41656349).

216343267 is a wasteful number, since it uses less digits than its factorization.

216343267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343777.

The product of its digits is 36288, while the sum is 34.

The square root of 216343267 is about 14708.6120011373. The cubic root of 216343267 is about 600.3176715931.

Adding to 216343267 its reverse (762343612), we get a palindrome (978686879).

The spelling of 216343267 in words is "two hundred sixteen million, three hundred forty-three thousand, two hundred sixty-seven".