326132161 has 8 divisors (see below), whose sum is σ = 334215720. Its totient is φ = 318120192.

The previous prime is 326132159. The next prime is 326132179. The reversal of 326132161 is 161231623.

It can be written as a sum of positive squares in 4 ways, for example, as 248251536 + 77880625 = 15756^2 + 8825^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 326132161 - 2¹ = 326132159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326132141) 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, 8616 + ... + 26953.

It is an arithmetic number, because the mean of its divisors is an integer number (41776965).

Almost surely, 2^326132161 is an apocalyptic number.

It is an amenable number.

326132161 is a deficient number, since it is larger than the sum of its proper divisors (8083559).

326132161 is a wasteful number, since it uses less digits than its factorization.

326132161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35795.

The product of its digits is 1296, while the sum is 25.

The square root of 326132161 is about 18059.1295748162. The cubic root of 326132161 is about 688.3318669181.

Adding to 326132161 its reverse (161231623), we get a palindrome (487363784).

The spelling of 326132161 in words is "three hundred twenty-six million, one hundred thirty-two thousand, one hundred sixty-one".