2170745171 has 8 divisors (see below), whose sum is σ = 2484691200. Its totient is φ = 1857759048.

The previous prime is 2170745153. The next prime is 2170745183. The reversal of 2170745171 is 1715470712.

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

It is a cyclic number.

It is not a de Polignac number, because 2170745171 - 2⁶ = 2170745107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2170745471) 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, 235121 + ... + 244178.

It is an arithmetic number, because the mean of its divisors is an integer number (310586400).

Almost surely, 2^2170745171 is an apocalyptic number.

2170745171 is a deficient number, since it is larger than the sum of its proper divisors (313946029).

2170745171 is an equidigital number, since it uses as much as digits as its factorization.

2170745171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479953.

The product of its (nonzero) digits is 13720, while the sum is 35.

The square root of 2170745171 is about 46591.2563792822. The cubic root of 2170745171 is about 1294.8007665950.

The spelling of 2170745171 in words is "two billion, one hundred seventy million, seven hundred forty-five thousand, one hundred seventy-one".