216348808843612 has 12 divisors (see below), whose sum is σ = 391665947044680. Its totient is φ = 104444252545136.

The previous prime is 216348808843571. The next prime is 216348808843627.

216348808843612 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932537969038 + ... + 932537969269.

It is an arithmetic number, because the mean of its divisors is an integer number (32638828920390).

Almost surely, 2^{216348808843612} is an apocalyptic number.

It is an amenable number.

216348808843612 is a deficient number, since it is larger than the sum of its proper divisors (175317138201068).

216348808843612 is a wasteful number, since it uses less digits than its factorization.

216348808843612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865075938340 (or 1865075938338 counting only the distinct ones).

The product of its (nonzero) digits is 84934656, while the sum is 64.

The spelling of 216348808843612 in words is "two hundred sixteen trillion, three hundred forty-eight billion, eight hundred eight million, eight hundred forty-three thousand, six hundred twelve".