216006132256 has 24 divisors (see below), whose sum is σ = 425301834384. Its totient is φ = 107992968000.

The previous prime is 216006132233. The next prime is 216006132283. The reversal of 216006132256 is 652231600612.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 38131 + ... + 658381.

It is an arithmetic number, because the mean of its divisors is an integer number (17720909766).

Almost surely, 2^216006132256 is an apocalyptic number.

It is an amenable number.

216006132256 is a deficient number, since it is larger than the sum of its proper divisors (209295702128).

216006132256 is a wasteful number, since it uses less digits than its factorization.

216006132256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631144 (or 631136 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 216006132256 its reverse (652231600612), we get a palindrome (868237732868).

The spelling of 216006132256 in words is "two hundred sixteen billion, six million, one hundred thirty-two thousand, two hundred fifty-six".