216120082 has 16 divisors (see below), whose sum is σ = 344735352. Its totient is φ = 101263360.

The previous prime is 216120043. The next prime is 216120083. The reversal of 216120082 is 280021612.

216120082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 201611601 + 14508481 = 14199^2 + 3809^2 .

It is not an unprimeable number, because it can be changed into a prime (216120083) 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, 5719 + ... + 21562.

Almost surely, 2^216120082 is an apocalyptic number.

216120082 is a deficient number, since it is larger than the sum of its proper divisors (128615270).

216120082 is a wasteful number, since it uses less digits than its factorization.

216120082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27533.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 216120082 is about 14701.0231616714. The cubic root of 216120082 is about 600.1111664391. Note that the first 4 decimals are identical.

Adding to 216120082 its reverse (280021612), we get a palindrome (496141694).

The spelling of 216120082 in words is "two hundred sixteen million, one hundred twenty thousand, eighty-two".