174161 has 4 divisors (see below), whose sum is σ = 187572. Its totient is φ = 160752.

The previous prime is 174157. The next prime is 174169. The reversal of 174161 is 161471.

174161 = 69² + 70² + ... + 94².

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

It can be written as a sum of positive squares in 2 ways, for example, as 14161 + 160000 = 119^2 + 400^2 .

It is a cyclic number.

It is not a de Polignac number, because 174161 - 2² = 174157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (174169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6686 + ... + 6711.

It is an arithmetic number, because the mean of its divisors is an integer number (46893).

2¹⁷⁴¹⁶¹ is an apocalyptic number.

It is an amenable number.

174161 is a deficient number, since it is larger than the sum of its proper divisors (13411).

174161 is a wasteful number, since it uses less digits than its factorization.

174161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13410.

The product of its digits is 168, while the sum is 20.

The square root of 174161 is about 417.3260116504. The cubic root of 174161 is about 55.8449152973.

The spelling of 174161 in words is "one hundred seventy-four thousand, one hundred sixty-one".