2066403714171 has 4 divisors (see below), whose sum is σ = 2755204952232. Its totient is φ = 1377602476112.

The previous prime is 2066403714139. The next prime is 2066403714173. The reversal of 2066403714171 is 1714173046602.

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

It is a cyclic number.

It is not a de Polignac number, because 2066403714171 - 2⁵ = 2066403714139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2066403714173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344400619026 + ... + 344400619031.

It is an arithmetic number, because the mean of its divisors is an integer number (688801238058).

Almost surely, 2^{2066403714171} is an apocalyptic number.

2066403714171 is a deficient number, since it is larger than the sum of its proper divisors (688801238061).

2066403714171 is an equidigital number, since it uses as much as digits as its factorization.

2066403714171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688801238060.

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 2066403714171 in words is "two trillion, sixty-six billion, four hundred three million, seven hundred fourteen thousand, one hundred seventy-one".