130066395172 has 18 divisors (see below), whose sum is σ = 264778019142. Its totient is φ = 55742740704.

The previous prime is 130066395167. The next prime is 130066395233. The reversal of 130066395172 is 271593660031.

It can be written as a sum of positive squares in only one way, i.e., 122264912896 + 7801482276 = 349664^2 + 88326^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 331801833 + ... + 331802224.

Almost surely, 2^130066395172 is an apocalyptic number.

It is an amenable number.

130066395172 is an abundant number, since it is smaller than the sum of its proper divisors (134711623970).

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

130066395172 is a wasteful number, since it uses less digits than its factorization.

130066395172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663604075 (or 663604066 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 43.

The spelling of 130066395172 in words is "one hundred thirty billion, sixty-six million, three hundred ninety-five thousand, one hundred seventy-two".