2106057171 has 8 divisors (see below), whose sum is σ = 2835339520. Its totient is φ = 1390406472.

The previous prime is 2106057157. The next prime is 2106057197. The reversal of 2106057171 is 1717506012.

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

It is not a de Polignac number, because 2106057171 - 2¹³ = 2106048979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2106057671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3407551 + ... + 3408168.

It is an arithmetic number, because the mean of its divisors is an integer number (354417440).

Almost surely, 2^2106057171 is an apocalyptic number.

2106057171 is a deficient number, since it is larger than the sum of its proper divisors (729282349).

2106057171 is a wasteful number, since it uses less digits than its factorization.

2106057171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6815825.

The product of its (nonzero) digits is 2940, while the sum is 30.

The square root of 2106057171 is about 45891.7985156389. The cubic root of 2106057171 is about 1281.8092032729.

The spelling of 2106057171 in words is "two billion, one hundred six million, fifty-seven thousand, one hundred seventy-one".