1306066081161 has 16 divisors (see below), whose sum is σ = 1745713247040. Its totient is φ = 868565142720.

The previous prime is 1306066081153. The next prime is 1306066081183. The reversal of 1306066081161 is 1611806606031.

It is not a de Polignac number, because 1306066081161 - 2³ = 1306066081153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1306066081141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20156331 + ... + 20221023.

It is an arithmetic number, because the mean of its divisors is an integer number (109107077940).

Almost surely, 2^{1306066081161} is an apocalyptic number.

It is an amenable number.

1306066081161 is a deficient number, since it is larger than the sum of its proper divisors (439647165879).

1306066081161 is a wasteful number, since it uses less digits than its factorization.

1306066081161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81176.

The product of its (nonzero) digits is 31104, while the sum is 39.

The spelling of 1306066081161 in words is "one trillion, three hundred six billion, sixty-six million, eighty-one thousand, one hundred sixty-one".