129164016679 has 16 divisors (see below), whose sum is σ = 136698835680. Its totient is φ = 121703299200.

The previous prime is 129164016677. The next prime is 129164016731. The reversal of 129164016679 is 976610461921.

It is not a de Polignac number, because 129164016679 - 2¹ = 129164016677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129164016677) 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, 21335817 + ... + 21341869.

It is an arithmetic number, because the mean of its divisors is an integer number (8543677230).

Almost surely, 2^129164016679 is an apocalyptic number.

129164016679 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

129164016679 is a deficient number, since it is larger than the sum of its proper divisors (7534819001).

129164016679 is a wasteful number, since it uses less digits than its factorization.

129164016679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11970.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 129164016679 in words is "one hundred twenty-nine billion, one hundred sixty-four million, sixteen thousand, six hundred seventy-nine".