216175814328368 has 10 divisors (see below), whose sum is σ = 418840640261244. Its totient is φ = 108087907164176.

The previous prime is 216175814328337. The next prime is 216175814328379. The reversal of 216175814328368 is 863823418571612.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6755494197746 + ... + 6755494197777.

Almost surely, 2^{216175814328368} is an apocalyptic number.

It is an amenable number.

216175814328368 is a deficient number, since it is larger than the sum of its proper divisors (202664825932876).

216175814328368 is a wasteful number, since it uses less digits than its factorization.

216175814328368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13510988395531 (or 13510988395525 counting only the distinct ones).

The product of its digits is 92897280, while the sum is 65.

The spelling of 216175814328368 in words is "two hundred sixteen trillion, one hundred seventy-five billion, eight hundred fourteen million, three hundred twenty-eight thousand, three hundred sixty-eight".