129330168 has 32 divisors (see below), whose sum is σ = 352719360. Its totient is φ = 39190880.

The previous prime is 129330139. The next prime is 129330191. The reversal of 129330168 is 861033921.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244680 + ... + 245207.

It is an arithmetic number, because the mean of its divisors is an integer number (11022480).

Almost surely, 2^129330168 is an apocalyptic number.

It is an amenable number.

129330168 is an abundant number, since it is smaller than the sum of its proper divisors (223389192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129330168 is a wasteful number, since it uses less digits than its factorization.

129330168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489907 (or 489903 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 129330168 is about 11372.3422389585. The cubic root of 129330168 is about 505.7081435440.

The spelling of 129330168 in words is "one hundred twenty-nine million, three hundred thirty thousand, one hundred sixty-eight".