324256161 has 8 divisors (see below), whose sum is σ = 432432000. Its totient is φ = 216125552.

The previous prime is 324256133. The next prime is 324256169. The reversal of 324256161 is 161652423.

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 324256161 - 2⁹ = 324255649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (324256169) 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 7 ways as a sum of consecutive naturals, for example, 12715 + ... + 28463.

It is an arithmetic number, because the mean of its divisors is an integer number (54054000).

Almost surely, 2^324256161 is an apocalyptic number.

It is an amenable number.

324256161 is a deficient number, since it is larger than the sum of its proper divisors (108175839).

324256161 is a wasteful number, since it uses less digits than its factorization.

324256161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22615.

The product of its digits is 8640, while the sum is 30.

The square root of 324256161 is about 18007.1141774578. The cubic root of 324256161 is about 687.0095047300.

The spelling of 324256161 in words is "three hundred twenty-four million, two hundred fifty-six thousand, one hundred sixty-one".