1671169 has 4 divisors (see below), whose sum is σ = 1681344. Its totient is φ = 1660996.

The previous prime is 1671161. The next prime is 1671191. The reversal of 1671169 is 9611761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1671169 - 2³ = 1671161 is a prime.

It is a super-2 number, since 2×1671169² = 5585611653122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1671169.

It is not an unprimeable number, because it can be changed into a prime (1671161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4837 + ... + 5170.

It is an arithmetic number, because the mean of its divisors is an integer number (420336).

It is a Proth number, since it is equal to 51 ⋅ 2¹⁵ + 1 and 51 < 2¹⁵.

2^1671169 is an apocalyptic number.

It is an amenable number.

1671169 is a deficient number, since it is larger than the sum of its proper divisors (10175).

1671169 is a wasteful number, since it uses less digits than its factorization.

1671169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174.

The product of its digits is 2268, while the sum is 31.

The square root of 1671169 is about 1292.7370188867. The cubic root of 1671169 is about 118.6697762865.

The spelling of 1671169 in words is "one million, six hundred seventy-one thousand, one hundred sixty-nine".