129533108660 has 48 divisors (see below), whose sum is σ = 276207072960. Its totient is φ = 51016331520.

The previous prime is 129533108657. The next prime is 129533108669. The reversal of 129533108660 is 66801335921.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129533108669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3035351 + ... + 3077729.

It is an arithmetic number, because the mean of its divisors is an integer number (5754314020).

Almost surely, 2^129533108660 is an apocalyptic number.

129533108660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129533108660 is an abundant number, since it is smaller than the sum of its proper divisors (146673964300).

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

129533108660 is a wasteful number, since it uses less digits than its factorization.

129533108660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44736 (or 44734 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 44.

The spelling of 129533108660 in words is "one hundred twenty-nine billion, five hundred thirty-three million, one hundred eight thousand, six hundred sixty".