16866231179 has 16 divisors (see below), whose sum is σ = 19490972160. Its totient is φ = 14295899520.

The previous prime is 16866231169. The next prime is 16866231251. The reversal of 16866231179 is 97113266861.

It is a de Polignac number, because none of the positive numbers 2^k-16866231179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16866231139) 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 15 ways as a sum of consecutive naturals, for example, 322964 + ... + 371534.

It is an arithmetic number, because the mean of its divisors is an integer number (1218185760).

Almost surely, 2^16866231179 is an apocalyptic number.

16866231179 is a deficient number, since it is larger than the sum of its proper divisors (2624740981).

16866231179 is a wasteful number, since it uses less digits than its factorization.

16866231179 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49130.

The product of its digits is 653184, while the sum is 50.

The spelling of 16866231179 in words is "sixteen billion, eight hundred sixty-six million, two hundred thirty-one thousand, one hundred seventy-nine".