326236161 has 16 divisors (see below), whose sum is σ = 440189568. Its totient is φ = 214896000.

The previous prime is 326236153. The next prime is 326236177. The reversal of 326236161 is 161632623.

It is not a de Polignac number, because 326236161 - 2³ = 326236153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (326236111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219541 + ... + 221021.

It is an arithmetic number, because the mean of its divisors is an integer number (27511848).

Almost surely, 2^326236161 is an apocalyptic number.

It is an amenable number.

326236161 is a deficient number, since it is larger than the sum of its proper divisors (113953407).

326236161 is a wasteful number, since it uses less digits than its factorization.

326236161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312.

The product of its digits is 7776, while the sum is 30.

The square root of 326236161 is about 18062.0087753273. The cubic root of 326236161 is about 688.4050263247.

Adding to 326236161 its reverse (161632623), we get a palindrome (487868784).

The spelling of 326236161 in words is "three hundred twenty-six million, two hundred thirty-six thousand, one hundred sixty-one".