5665071171 has 4 divisors (see below), whose sum is σ = 7553428232. Its totient is φ = 3776714112.

The previous prime is 5665071157. The next prime is 5665071227. The reversal of 5665071171 is 1711705665.

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

It is not a de Polignac number, because 5665071171 - 2⁶ = 5665071107 is a prime.

It is a super-2 number, since 2×5665071171² = 64186062744990622482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5665071101) 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, 944178526 + ... + 944178531.

It is an arithmetic number, because the mean of its divisors is an integer number (1888357058).

Almost surely, 2^5665071171 is an apocalyptic number.

5665071171 is a deficient number, since it is larger than the sum of its proper divisors (1888357061).

5665071171 is a wasteful number, since it uses less digits than its factorization.

5665071171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1888357060.

The product of its (nonzero) digits is 44100, while the sum is 39.

The square root of 5665071171 is about 75266.6670645114. The cubic root of 5665071171 is about 1782.6597415963.

The spelling of 5665071171 in words is "five billion, six hundred sixty-five million, seventy-one thousand, one hundred seventy-one".