216773081328766 has 8 divisors (see below), whose sum is σ = 329739334979184. Its totient is φ = 106859969669040.

The previous prime is 216773081328659. The next prime is 216773081328779. The reversal of 216773081328766 is 667823180377612.

216773081328766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 763285497495 + ... + 763285497778.

It is an arithmetic number, because the mean of its divisors is an integer number (41217416872398).

Almost surely, 2^{216773081328766} is an apocalyptic number.

216773081328766 is a deficient number, since it is larger than the sum of its proper divisors (112966253650418).

216773081328766 is a wasteful number, since it uses less digits than its factorization.

216773081328766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1526570995346.

The product of its (nonzero) digits is 170698752, while the sum is 67.

The spelling of 216773081328766 in words is "two hundred sixteen trillion, seven hundred seventy-three billion, eighty-one million, three hundred twenty-eight thousand, seven hundred sixty-six".