129628346168 has 16 divisors (see below), whose sum is σ = 243072800880. Its totient is φ = 64808932608.

The previous prime is 129628346129. The next prime is 129628346293. The reversal of 129628346168 is 861643826921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 548921 + ... + 748712.

It is an arithmetic number, because the mean of its divisors is an integer number (15192050055).

Almost surely, 2^129628346168 is an apocalyptic number.

It is an amenable number.

129628346168 is a deficient number, since it is larger than the sum of its proper divisors (113444454712).

129628346168 is a wasteful number, since it uses less digits than its factorization.

129628346168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1310126 (or 1310122 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 56.

The spelling of 129628346168 in words is "one hundred twenty-nine billion, six hundred twenty-eight million, three hundred forty-six thousand, one hundred sixty-eight".