216159265 has 8 divisors (see below), whose sum is σ = 296447040. Its totient is φ = 148223472.

The previous prime is 216159259. The next prime is 216159269. The reversal of 216159265 is 562951612.

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 216159265 - 2¹¹ = 216157217 is a prime.

It is a super-3 number, since 3×216159265³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (216159269) by changing a digit.

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, 3087955 + ... + 3088024.

It is an arithmetic number, because the mean of its divisors is an integer number (37055880).

Almost surely, 2^216159265 is an apocalyptic number.

It is an amenable number.

216159265 is a deficient number, since it is larger than the sum of its proper divisors (80287775).

216159265 is an equidigital number, since it uses as much as digits as its factorization.

216159265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175991.

The product of its digits is 32400, while the sum is 37.

The square root of 216159265 is about 14702.3557636183. The cubic root of 216159265 is about 600.1474313629.

The spelling of 216159265 in words is "two hundred sixteen million, one hundred fifty-nine thousand, two hundred sixty-five".