16867431161 has 24 divisors (see below), whose sum is σ = 20891740320. Its totient is φ = 13531201152.

The previous prime is 16867431149. The next prime is 16867431187. The reversal of 16867431161 is 16113476861.

It is a de Polignac number, because none of the positive numbers 2^k-16867431161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16867431131) 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 23 ways as a sum of consecutive naturals, for example, 92546 + ... + 205668.

It is an arithmetic number, because the mean of its divisors is an integer number (870489180).

Almost surely, 2^16867431161 is an apocalyptic number.

It is an amenable number.

16867431161 is a deficient number, since it is larger than the sum of its proper divisors (4024309159).

16867431161 is a wasteful number, since it uses less digits than its factorization.

16867431161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113333 (or 113326 counting only the distinct ones).

The product of its digits is 145152, while the sum is 44.

The spelling of 16867431161 in words is "sixteen billion, eight hundred sixty-seven million, four hundred thirty-one thousand, one hundred sixty-one".