16545766663016 has 16 divisors (see below), whose sum is σ = 31297855083300. Its totient is φ = 8199671974144.

The previous prime is 16545766662961. The next prime is 16545766663037. The reversal of 16545766663016 is 61036666754561.

It can be written as a sum of positive squares in 2 ways, for example, as 11729734516900 + 4816032146116 = 3424870^2 + 2194546^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16545766663016.

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, 9151418711 + ... + 9151420518.

Almost surely, 2^{16545766663016} is an apocalyptic number.

It is an amenable number.

16545766663016 is a deficient number, since it is larger than the sum of its proper divisors (14752088420284).

16545766663016 is a wasteful number, since it uses less digits than its factorization.

16545766663016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18302839348 (or 18302839344 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 62.

The spelling of 16545766663016 in words is "sixteen trillion, five hundred forty-five billion, seven hundred sixty-six million, six hundred sixty-three thousand, sixteen".