216347057453600 has 144 divisors (see below), whose sum is σ = 555967706726880. Its totient is φ = 81982274918400.

The previous prime is 216347057453533. The next prime is 216347057453627. The reversal of 216347057453600 is 6354750743612.

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 23 ways as a sum of consecutive naturals, for example, 792102659 + ... + 792375741.

It is an arithmetic number, because the mean of its divisors is an integer number (3860886852270).

Almost surely, 2^{216347057453600} is an apocalyptic number.

216347057453600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216347057453600 is an abundant number, since it is smaller than the sum of its proper divisors (339620649273280).

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

216347057453600 is a wasteful number, since it uses less digits than its factorization.

216347057453600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325243 (or 325230 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 53.

The spelling of 216347057453600 in words is "two hundred sixteen trillion, three hundred forty-seven billion, fifty-seven million, four hundred fifty-three thousand, six hundred".