216718103108 has 24 divisors (see below), whose sum is σ = 409324036632. Its totient is φ = 99804858624.

The previous prime is 216718103029. The next prime is 216718103111. The reversal of 216718103108 is 801301817612.

It is a happy number.

216718103108 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 78261181504 + 138456921604 = 279752^2 + 372098^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4536035 + ... + 4583562.

It is an arithmetic number, because the mean of its divisors is an integer number (17055168193).

Almost surely, 2^216718103108 is an apocalyptic number.

It is an amenable number.

216718103108 is a deficient number, since it is larger than the sum of its proper divisors (192605933524).

216718103108 is a wasteful number, since it uses less digits than its factorization.

216718103108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120071 (or 9120069 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 216718103108 in words is "two hundred sixteen billion, seven hundred eighteen million, one hundred three thousand, one hundred eight".