325181659680 has 144 divisors (see below), whose sum is σ = 1127874233304. Its totient is φ = 85293527040.

The previous prime is 325181659661. The next prime is 325181659721. The reversal of 325181659680 is 86956181523.

325181659680 is a `hidden beast` number, since 3 + 2 + 518 + 1 + 65 + 9 + 68 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 181179625104 + 144002034576 = 425652^2 + 379476^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×325181659680² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1763149 + ... + 1938828.

Almost surely, 2^325181659680 is an apocalyptic number.

325181659680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

325181659680 is an abundant number, since it is smaller than the sum of its proper divisors (802692573624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

325181659680 is a wasteful number, since it uses less digits than its factorization.

325181659680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702059 (or 3702048 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 54.

The spelling of 325181659680 in words is "three hundred twenty-five billion, one hundred eighty-one million, six hundred fifty-nine thousand, six hundred eighty".