129164361689 has 8 divisors (see below), whose sum is σ = 141261509568. Its totient is φ = 117126369360.

The previous prime is 129164361679. The next prime is 129164361691. The reversal of 129164361689 is 986163461921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 129164361689 - 2⁴ = 129164361673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129164361679) 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 7 ways as a sum of consecutive naturals, for example, 14784317 + ... + 14793050.

It is an arithmetic number, because the mean of its divisors is an integer number (17657688696).

Almost surely, 2^129164361689 is an apocalyptic number.

It is an amenable number.

129164361689 is a deficient number, since it is larger than the sum of its proper divisors (12097147879).

129164361689 is a wasteful number, since it uses less digits than its factorization.

129164361689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29577775.

The product of its digits is 3359232, while the sum is 56.

The spelling of 129164361689 in words is "one hundred twenty-nine billion, one hundred sixty-four million, three hundred sixty-one thousand, six hundred eighty-nine".