216098085 has 96 divisors (see below), whose sum is σ = 421956864. Its totient is φ = 94080000.

The previous prime is 216098083. The next prime is 216098089. The reversal of 216098085 is 580890612.

It is not a de Polignac number, because 216098085 - 2¹ = 216098083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216098081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2139535 + ... + 2139635.

It is an arithmetic number, because the mean of its divisors is an integer number (4395384).

Almost surely, 2^216098085 is an apocalyptic number.

It is an amenable number.

216098085 is a deficient number, since it is larger than the sum of its proper divisors (205858779).

216098085 is a wasteful number, since it uses less digits than its factorization.

216098085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 216098085 is about 14700.2749974278. The cubic root of 216098085 is about 600.0908057010.

The spelling of 216098085 in words is "two hundred sixteen million, ninety-eight thousand, eighty-five".