216100016056 has 16 divisors (see below), whose sum is σ = 422804379600. Its totient is φ = 103352181504.

The previous prime is 216100016047. The next prime is 216100016057. The reversal of 216100016056 is 650610001612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216100016057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587228121 + ... + 587228488.

It is an arithmetic number, because the mean of its divisors is an integer number (26425273725).

Almost surely, 2^216100016056 is an apocalyptic number.

It is an amenable number.

216100016056 is a deficient number, since it is larger than the sum of its proper divisors (206704363544).

216100016056 is a wasteful number, since it uses less digits than its factorization.

216100016056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174456638 (or 1174456634 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 216100016056 its reverse (650610001612), we get a palindrome (866710017668).

The spelling of 216100016056 in words is "two hundred sixteen billion, one hundred million, sixteen thousand, fifty-six".