129466645916 has 6 divisors (see below), whose sum is σ = 226566630360. Its totient is φ = 64733322956.

The previous prime is 129466645907. The next prime is 129466645921. The reversal of 129466645916 is 619546664921.

It is a super-2 number, since 2×129466645916² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16183330736 + ... + 16183330743.

It is an arithmetic number, because the mean of its divisors is an integer number (37761105060).

Almost surely, 2^129466645916 is an apocalyptic number.

It is an amenable number.

129466645916 is a deficient number, since it is larger than the sum of its proper divisors (97099984444).

129466645916 is a wasteful number, since it uses less digits than its factorization.

129466645916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32366661483 (or 32366661481 counting only the distinct ones).

The product of its digits is 16796160, while the sum is 59.

The spelling of 129466645916 in words is "one hundred twenty-nine billion, four hundred sixty-six million, six hundred forty-five thousand, nine hundred sixteen".