326563112046564 has 18 divisors (see below), whose sum is σ = 825478977673350. Its totient is φ = 108854370682176.

The previous prime is 326563112046497. The next prime is 326563112046583. The reversal of 326563112046564 is 465640211365623.

326563112046564 is a `hidden beast` number, since 3 + 2 + 6 + 5 + 6 + 3 + 11 + 20 + 46 + 564 = 666.

It can be written as a sum of positive squares in only one way, i.e., 227739790102500 + 98823321944064 = 15091050^2 + 9940992^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×326563112046564² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 326563112046564.

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, 4535598778389 + ... + 4535598778460.

It is an arithmetic number, because the mean of its divisors is an integer number (45859943204075).

Almost surely, 2^{326563112046564} is an apocalyptic number.

It is an amenable number.

326563112046564 is an abundant number, since it is smaller than the sum of its proper divisors (498915865626786).

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

326563112046564 is a wasteful number, since it uses less digits than its factorization.

326563112046564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9071197556859 (or 9071197556854 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 54.

The spelling of 326563112046564 in words is "three hundred twenty-six trillion, five hundred sixty-three billion, one hundred twelve million, forty-six thousand, five hundred sixty-four".