16852171867 has 4 divisors (see below), whose sum is σ = 16867619496. Its totient is φ = 16836724240.

The previous prime is 16852171841. The next prime is 16852171879. The reversal of 16852171867 is 76817125861.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16852171867 - 2¹⁵ = 16852139099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16852171067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7722178 + ... + 7724359.

It is an arithmetic number, because the mean of its divisors is an integer number (4216904874).

Almost surely, 2^16852171867 is an apocalyptic number.

16852171867 is a deficient number, since it is larger than the sum of its proper divisors (15447629).

16852171867 is a wasteful number, since it uses less digits than its factorization.

16852171867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15447628.

The product of its digits is 1128960, while the sum is 52.

The spelling of 16852171867 in words is "sixteen billion, eight hundred fifty-two million, one hundred seventy-one thousand, eight hundred sixty-seven".