326161 has 8 divisors (see below), whose sum is σ = 360000. Its totient is φ = 293040.

The previous prime is 326159. The next prime is 326171. The reversal of 326161 is 161623.

326161 = T₂₃₈ + T₂₃₉ + ... + T₂₄₈.

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

It is not a de Polignac number, because 326161 - 2¹ = 326159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1540 + ... + 1738.

It is an arithmetic number, because the mean of its divisors is an integer number (45000).

2³²⁶¹⁶¹ is an apocalyptic number.

It is an amenable number.

326161 is a deficient number, since it is larger than the sum of its proper divisors (33839).

326161 is a wasteful number, since it uses less digits than its factorization.

326161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359.

The product of its digits is 216, while the sum is 19.

The square root of 326161 is about 571.1050691423. The cubic root of 326161 is about 68.8352155439.

Adding to 326161 its reverse (161623), we get a palindrome (487784).

The spelling of 326161 in words is "three hundred twenty-six thousand, one hundred sixty-one".