325366216506 has 12 divisors (see below), whose sum is σ = 704960135802. Its totient is φ = 108455405496.

The previous prime is 325366216481. The next prime is 325366216517. The reversal of 325366216506 is 605612663523.

325366216506 is a `hidden beast` number, since 3 + 2 + 536 + 62 + 1 + 6 + 50 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 297778667481 + 27587549025 = 545691^2 + 166095^2 .

It is a super-3 number, since 3×325366216506³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9037950441 + ... + 9037950476.

Almost surely, 2^325366216506 is an apocalyptic number.

325366216506 is an abundant number, since it is smaller than the sum of its proper divisors (379593919296).

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

325366216506 is a wasteful number, since it uses less digits than its factorization.

325366216506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18075900925 (or 18075900922 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 45.

The spelling of 325366216506 in words is "three hundred twenty-five billion, three hundred sixty-six million, two hundred sixteen thousand, five hundred six".