16868353576 has 16 divisors (see below), whose sum is σ = 32482978740. Its totient is φ = 8206225920.

The previous prime is 16868353573. The next prime is 16868353603. The reversal of 16868353576 is 67535386861.

It can be written as a sum of positive squares in 2 ways, for example, as 16803936900 + 64416676 = 129630^2 + 8026^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16868353576.

It is not an unprimeable number, because it can be changed into a prime (16868353573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28493545 + ... + 28494136.

Almost surely, 2^16868353576 is an apocalyptic number.

It is an amenable number.

16868353576 is a deficient number, since it is larger than the sum of its proper divisors (15614625164).

16868353576 is a wasteful number, since it uses less digits than its factorization.

16868353576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56987724 (or 56987720 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 58.

The spelling of 16868353576 in words is "sixteen billion, eight hundred sixty-eight million, three hundred fifty-three thousand, five hundred seventy-six".