325556630252161 has 144 divisors (see below), whose sum is σ = 452828637451008. Its totient is φ = 232221284951040.

The previous prime is 325556630252159. The next prime is 325556630252173. The reversal of 325556630252161 is 161252036655523.

It is not a de Polignac number, because 325556630252161 - 2¹ = 325556630252159 is a prime.

It is a super-3 number, since 3×325556630252161³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 325556630252099 and 325556630252108.

It is not an unprimeable number, because it can be changed into a prime (325556630252101) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11437874616 + ... + 11437903078.

It is an arithmetic number, because the mean of its divisors is an integer number (3144643315632).

Almost surely, 2^{325556630252161} is an apocalyptic number.

It is an amenable number.

325556630252161 is a deficient number, since it is larger than the sum of its proper divisors (127272007198847).

325556630252161 is a wasteful number, since it uses less digits than its factorization.

325556630252161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31620 (or 31602 counting only the distinct ones).

The product of its (nonzero) digits is 9720000, while the sum is 52.

The spelling of 325556630252161 in words is "three hundred twenty-five trillion, five hundred fifty-six billion, six hundred thirty million, two hundred fifty-two thousand, one hundred sixty-one".