16212656922568 has 16 divisors (see below), whose sum is σ = 31140164211660. Its totient is φ = 7908613132800.

The previous prime is 16212656922503. The next prime is 16212656922601. The reversal of 16212656922568 is 86522965621261.

It can be written as a sum of positive squares in 2 ways, for example, as 16211880854404 + 776068164 = 4026398^2 + 27858^2 .

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, 24714415713 + ... + 24714416368.

Almost surely, 2^{16212656922568} is an apocalyptic number.

It is an amenable number.

16212656922568 is a deficient number, since it is larger than the sum of its proper divisors (14927507289092).

16212656922568 is a wasteful number, since it uses less digits than its factorization.

16212656922568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49428832128 (or 49428832124 counting only the distinct ones).

The product of its digits is 37324800, while the sum is 61.

The spelling of 16212656922568 in words is "sixteen trillion, two hundred twelve billion, six hundred fifty-six million, nine hundred twenty-two thousand, five hundred sixty-eight".