216535095 has 24 divisors (see below), whose sum is σ = 428946336. Its totient is φ = 98987328.

The previous prime is 216535091. The next prime is 216535097. The reversal of 216535095 is 590535612.

216535095 is a `hidden beast` number, since 216 + 5 + 350 + 95 = 666.

It is not a de Polignac number, because 216535095 - 2² = 216535091 is a prime.

It is a super-3 number, since 3×216535095³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216535091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343392 + ... + 344021.

It is an arithmetic number, because the mean of its divisors is an integer number (17872764).

Almost surely, 2^216535095 is an apocalyptic number.

216535095 is a deficient number, since it is larger than the sum of its proper divisors (212411241).

216535095 is a wasteful number, since it uses less digits than its factorization.

216535095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687431 (or 687428 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 36.

The square root of 216535095 is about 14715.1314978834. The cubic root of 216535095 is about 600.4950497639.

The spelling of 216535095 in words is "two hundred sixteen million, five hundred thirty-five thousand, ninety-five".