320546104605 has 12 divisors (see below), whose sum is σ = 555613248060. Its totient is φ = 170957922432.

The previous prime is 320546104603. The next prime is 320546104633. The reversal of 320546104605 is 506401645023.

320546104605 is a `hidden beast` number, since 3 + 2 + 0 + 5 + 46 + 1 + 0 + 4 + 605 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 86787392409 + 233758712196 = 294597^2 + 483486^2 .

It is not a de Polignac number, because 320546104605 - 2¹ = 320546104603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 320546104605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320546104603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3561623340 + ... + 3561623429.

It is an arithmetic number, because the mean of its divisors is an integer number (46301104005).

Almost surely, 2^320546104605 is an apocalyptic number.

It is an amenable number.

320546104605 is a deficient number, since it is larger than the sum of its proper divisors (235067143455).

320546104605 is a wasteful number, since it uses less digits than its factorization.

320546104605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7123246780 (or 7123246777 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 320546104605 its reverse (506401645023), we get a palindrome (826947749628).

The spelling of 320546104605 in words is "three hundred twenty billion, five hundred forty-six million, one hundred four thousand, six hundred five".