325331560665 has 12 divisors (see below), whose sum is σ = 563908038564. Its totient is φ = 173510165664.

The previous prime is 325331560651. The next prime is 325331560667. The reversal of 325331560665 is 566065133523.

325331560665 is a `hidden beast` number, since 3 + 2 + 5 + 3 + 31 + 5 + 606 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 172049914521 + 153281646144 = 414789^2 + 391512^2 .

It is not a de Polignac number, because 325331560665 - 2¹³ = 325331552473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7229590237 = 325331560665 / (3 + 2 + 5 + 3 + 3 + 1 + 5 + 6 + 0 + 6 + 6 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 325331560665.

It is not an unprimeable number, because it can be changed into a prime (325331560667) 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, 3614795074 + ... + 3614795163.

It is an arithmetic number, because the mean of its divisors is an integer number (46992336547).

Almost surely, 2^325331560665 is an apocalyptic number.

It is an amenable number.

325331560665 is a deficient number, since it is larger than the sum of its proper divisors (238576477899).

325331560665 is a wasteful number, since it uses less digits than its factorization.

325331560665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7229590248 (or 7229590245 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 45.

The spelling of 325331560665 in words is "three hundred twenty-five billion, three hundred thirty-one million, five hundred sixty thousand, six hundred sixty-five".