1606171 has 6 divisors (see below), whose sum is σ = 1868460. Its totient is φ = 1376676.

The previous prime is 1606153. The next prime is 1606201. The reversal of 1606171 is 1716061.

It is not a de Polignac number, because 1606171 - 2⁵ = 1606139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606151) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16341 + ... + 16438.

It is an arithmetic number, because the mean of its divisors is an integer number (311410).

2^1606171 is an apocalyptic number.

1606171 is a deficient number, since it is larger than the sum of its proper divisors (262289).

1606171 is an equidigital number, since it uses as much as digits as its factorization.

1606171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32793 (or 32786 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 1606171 is about 1267.3480185016. The cubic root of 1606171 is about 117.1108842375.

The spelling of 1606171 in words is "one million, six hundred six thousand, one hundred seventy-one".