2066969171 has 8 divisors (see below), whose sum is σ = 2139524400. Its totient is φ = 1994499360.

The previous prime is 2066969167. The next prime is 2066969189. The reversal of 2066969171 is 1719696602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2066969171 - 2² = 2066969167 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2066969371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30020 + ... + 70958.

It is an arithmetic number, because the mean of its divisors is an integer number (267440550).

Almost surely, 2^2066969171 is an apocalyptic number.

2066969171 is a deficient number, since it is larger than the sum of its proper divisors (72555229).

2066969171 is a wasteful number, since it uses less digits than its factorization.

2066969171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42709.

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 2066969171 is about 45463.9326389612. The cubic root of 2066969171 is about 1273.8295902381.

The spelling of 2066969171 in words is "two billion, sixty-six million, nine hundred sixty-nine thousand, one hundred seventy-one".