66106166130 has 48 divisors (see below), whose sum is σ = 177802798680. Its totient is φ = 17020437504.

The previous prime is 66106166117. The next prime is 66106166167. The reversal of 66106166130 is 3166160166.

It is a happy number.

66106166130 is a `hidden beast` number, since 6 + 6 + 1 + 0 + 616 + 6 + 1 + 30 = 666.

66106166130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57959118009 + 8147048121 = 240747^2 + 90261^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12661407 + ... + 12666626.

Almost surely, 2^66106166130 is an apocalyptic number.

66106166130 is an abundant number, since it is smaller than the sum of its proper divisors (111696632550).

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

66106166130 is a wasteful number, since it uses less digits than its factorization.

66106166130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25328075 (or 25328072 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The spelling of 66106166130 in words is "sixty-six billion, one hundred six million, one hundred sixty-six thousand, one hundred thirty".