216612083 has 2 divisors, whose sum is σ = 216612084. Its totient is φ = 216612082.

The previous prime is 216612047. The next prime is 216612119. The reversal of 216612083 is 380216612.

It is a balanced prime because it is at equal distance from previous prime (216612047) and next prime (216612119).

It is a cyclic number.

It is not a de Polignac number, because 216612083 - 2⁸ = 216611827 is a prime.

It is not a weakly prime, because it can be changed into another prime (216612013) by changing a digit.

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 as a sum of consecutive naturals, namely, 108306041 + 108306042.

It is an arithmetic number, because the mean of its divisors is an integer number (108306042).

Almost surely, 2^216612083 is an apocalyptic number.

216612083 is a deficient number, since it is larger than the sum of its proper divisors (1).

216612083 is an equidigital number, since it uses as much as digits as its factorization.

216612083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 216612083 is about 14717.7472121246. The cubic root of 216612083 is about 600.5662090293.

Adding to 216612083 its reverse (380216612), we get a palindrome (596828695).

The spelling of 216612083 in words is "two hundred sixteen million, six hundred twelve thousand, eighty-three".