129868556186796 has 48 divisors (see below), whose sum is σ = 352850416821504. Its totient is φ = 36405201733056.

The previous prime is 129868556186749. The next prime is 129868556186867. The reversal of 129868556186796 is 697681655868921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14585412910 + ... + 14585421813.

It is an arithmetic number, because the mean of its divisors is an integer number (7351050350448).

Almost surely, 2^{129868556186796} is an apocalyptic number.

It is an amenable number.

129868556186796 is an abundant number, since it is smaller than the sum of its proper divisors (222981860634708).

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

129868556186796 is a wasteful number, since it uses less digits than its factorization.

129868556186796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29170834790 (or 29170834788 counting only the distinct ones).

The product of its digits is 18811699200, while the sum is 87.

The spelling of 129868556186796 in words is "one hundred twenty-nine trillion, eight hundred sixty-eight billion, five hundred fifty-six million, one hundred eighty-six thousand, seven hundred ninety-six".