16866853352 has 16 divisors (see below), whose sum is σ = 31631928900. Its totient is φ = 8431672320.

The previous prime is 16866853351. The next prime is 16866853379. The reversal of 16866853352 is 25335866861.

It can be written as a sum of positive squares in 2 ways, for example, as 16849597636 + 17255716 = 129806^2 + 4154^2 .

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16866853294 and 16866853303.

It is not an unprimeable number, because it can be changed into a prime (16866853351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177977 + ... + 255752.

Almost surely, 2^16866853352 is an apocalyptic number.

It is an amenable number.

16866853352 is a deficient number, since it is larger than the sum of its proper divisors (14765075548).

16866853352 is a wasteful number, since it uses less digits than its factorization.

16866853352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438596 (or 438592 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 53.

The spelling of 16866853352 in words is "sixteen billion, eight hundred sixty-six million, eight hundred fifty-three thousand, three hundred fifty-two".