166095494977729 has 16 divisors (see below), whose sum is σ = 173492852382720. Its totient is φ = 158809497295680.

The previous prime is 166095494977721. The next prime is 166095494977739. The reversal of 166095494977729 is 927779494590661.

It is not a de Polignac number, because 166095494977729 - 2³ = 166095494977721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (166095494977721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 386993319 + ... + 387422275.

It is an arithmetic number, because the mean of its divisors is an integer number (10843303273920).

Almost surely, 2^{166095494977729} is an apocalyptic number.

It is an amenable number.

166095494977729 is a deficient number, since it is larger than the sum of its proper divisors (7397357404991).

166095494977729 is a wasteful number, since it uses less digits than its factorization.

166095494977729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558720.

The product of its (nonzero) digits is 12962436480, while the sum is 85.

The spelling of 166095494977729 in words is "one hundred sixty-six trillion, ninety-five billion, four hundred ninety-four million, nine hundred seventy-seven thousand, seven hundred twenty-nine".