216110002056 has 32 divisors (see below), whose sum is σ = 581834621760. Its totient is φ = 66495385152.

The previous prime is 216110002033. The next prime is 216110002061. The reversal of 216110002056 is 650200011612.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 346329820 + ... + 346330443.

It is an arithmetic number, because the mean of its divisors is an integer number (18182331930).

Almost surely, 2^216110002056 is an apocalyptic number.

216110002056 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

216110002056 is an abundant number, since it is smaller than the sum of its proper divisors (365724619704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216110002056 is a wasteful number, since it uses less digits than its factorization.

216110002056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692660285 (or 692660281 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 216110002056 its reverse (650200011612), we get a palindrome (866310013668).

The spelling of 216110002056 in words is "two hundred sixteen billion, one hundred ten million, two thousand, fifty-six".