326864161 has 8 divisors (see below), whose sum is σ = 352346624. Its totient is φ = 301430160.

The previous prime is 326864137. The next prime is 326864171. The reversal of 326864161 is 161468623.

It is a happy number.

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 326864161 - 2⁵ = 326864129 is a prime.

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 326864161.

It is not an unprimeable number, because it can be changed into a prime (326864171) 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, 2566 + ... + 25696.

It is an arithmetic number, because the mean of its divisors is an integer number (44043328).

Almost surely, 2^326864161 is an apocalyptic number.

It is an amenable number.

326864161 is a deficient number, since it is larger than the sum of its proper divisors (25482463).

326864161 is a wasteful number, since it uses less digits than its factorization.

326864161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24231.

The product of its digits is 41472, while the sum is 37.

The square root of 326864161 is about 18079.3849729464. The cubic root of 326864161 is about 688.8464665064.

The spelling of 326864161 in words is "three hundred twenty-six million, eight hundred sixty-four thousand, one hundred sixty-one".