12916689171 has 16 divisors (see below), whose sum is σ = 17461370880. Its totient is φ = 8492073920.

The previous prime is 12916689157. The next prime is 12916689173. The reversal of 12916689171 is 17198661921.

It is a cyclic number.

It is not a de Polignac number, because 12916689171 - 2²³ = 12908300563 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12916689173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39106 + ... + 165416.

It is an arithmetic number, because the mean of its divisors is an integer number (1091335680).

Almost surely, 2^12916689171 is an apocalyptic number.

12916689171 is a deficient number, since it is larger than the sum of its proper divisors (4544681709).

12916689171 is a wasteful number, since it uses less digits than its factorization.

12916689171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126786.

The product of its digits is 326592, while the sum is 51.

The spelling of 12916689171 in words is "twelve billion, nine hundred sixteen million, six hundred eighty-nine thousand, one hundred seventy-one".