2066177167673 has 4 divisors (see below), whose sum is σ = 2073636291300. Its totient is φ = 2058718044048.

The previous prime is 2066177167669. The next prime is 2066177167711. The reversal of 2066177167673 is 3767617716602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1152868196089 + 913308971584 = 1073717^2 + 955672^2 .

It is a cyclic number.

It is not a de Polignac number, because 2066177167673 - 2² = 2066177167669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066177167643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3729561398 + ... + 3729561951.

It is an arithmetic number, because the mean of its divisors is an integer number (518409072825).

Almost surely, 2^{2066177167673} is an apocalyptic number.

It is an amenable number.

2066177167673 is a deficient number, since it is larger than the sum of its proper divisors (7459123627).

2066177167673 is an equidigital number, since it uses as much as digits as its factorization.

2066177167673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7459123626.

The product of its (nonzero) digits is 18670176, while the sum is 59.

The spelling of 2066177167673 in words is "two trillion, sixty-six billion, one hundred seventy-seven million, one hundred sixty-seven thousand, six hundred seventy-three".