216363255 has 16 divisors (see below), whose sum is σ = 347566464. Its totient is φ = 114932000.

The previous prime is 216363227. The next prime is 216363263. The reversal of 216363255 is 552363612.

It is not a de Polignac number, because 216363255 - 2⁵ = 216363223 is a prime.

It is a super-2 number, since 2×216363255² = 93626116228390050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24969 + ... + 32498.

It is an arithmetic number, because the mean of its divisors is an integer number (21722904).

Almost surely, 2^216363255 is an apocalyptic number.

216363255 is a deficient number, since it is larger than the sum of its proper divisors (131203209).

216363255 is a wasteful number, since it uses less digits than its factorization.

216363255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57726.

The product of its digits is 32400, while the sum is 33.

The square root of 216363255 is about 14709.2914513242. The cubic root of 216363255 is about 600.3361588491.

The spelling of 216363255 in words is "two hundred sixteen million, three hundred sixty-three thousand, two hundred fifty-five".