216627648412176 has 75 divisors (see below), whose sum is σ = 626984796833373. Its totient is φ = 72209039518080.

The previous prime is 216627648412163. The next prime is 216627648412181. The reversal of 216627648412176 is 671214846726612.

The square root of 216627648412176 is 14718276.

It is a perfect power (a square), and thus also a powerful number.

216627648412176 is a `hidden beast` number, since 2 + 1 + 6 + 6 + 2 + 7 + 6 + 48 + 412 + 176 = 666.

It can be written as a sum of positive squares in only one way, i.e., 125478620572176 + 91149027840000 = 11201724^2 + 9547200^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 529653516 + ... + 530062356.

Almost surely, 2^{216627648412176} is an apocalyptic number.

216627648412176 is the 14718276-th square number.

It is an amenable number.

216627648412176 is an abundant number, since it is smaller than the sum of its proper divisors (410357148421197).

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

216627648412176 is an frugal number, since it uses more digits than its factorization.

216627648412176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817702 (or 408846 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The spelling of 216627648412176 in words is "two hundred sixteen trillion, six hundred twenty-seven billion, six hundred forty-eight million, four hundred twelve thousand, one hundred seventy-six".