326124434161 has 4 divisors (see below), whose sum is σ = 326268166900. Its totient is φ = 325980701424.

The previous prime is 326124434137. The next prime is 326124434171. The reversal of 326124434161 is 161434421623.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7739600625 + 318384833536 = 87975^2 + 564256^2 .

It is a cyclic number.

It is not a de Polignac number, because 326124434161 - 2²³ = 326116045553 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 326124434161.

It is not an unprimeable number, because it can be changed into a prime (326124434101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71862966 + ... + 71867503.

It is an arithmetic number, because the mean of its divisors is an integer number (81567041725).

Almost surely, 2^326124434161 is an apocalyptic number.

It is an amenable number.

326124434161 is a deficient number, since it is larger than the sum of its proper divisors (143732739).

326124434161 is a wasteful number, since it uses less digits than its factorization.

326124434161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143732738.

The product of its digits is 82944, while the sum is 37.

Adding to 326124434161 its reverse (161434421623), we get a palindrome (487558855784).

The spelling of 326124434161 in words is "three hundred twenty-six billion, one hundred twenty-four million, four hundred thirty-four thousand, one hundred sixty-one".