1606541171 has 4 divisors (see below), whose sum is σ = 1645725144. Its totient is φ = 1567357200.

The previous prime is 1606541093. The next prime is 1606541197. The reversal of 1606541171 is 1711456061.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1711456061 = 7 ⋅244493723.

It is a cyclic number.

It is not a de Polignac number, because 1606541171 - 2¹⁸ = 1606279027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1606541771) 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, 19591925 + ... + 19592006.

It is an arithmetic number, because the mean of its divisors is an integer number (411431286).

Almost surely, 2^1606541171 is an apocalyptic number.

1606541171 is a deficient number, since it is larger than the sum of its proper divisors (39183973).

1606541171 is an equidigital number, since it uses as much as digits as its factorization.

1606541171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39183972.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 1606541171 is about 40081.6812396885. The cubic root of 1606541171 is about 1171.1988031642.

The spelling of 1606541171 in words is "one billion, six hundred six million, five hundred forty-one thousand, one hundred seventy-one".