13564055320660 has 48 divisors (see below), whose sum is σ = 31733413261200. Its totient is φ = 4835567729664.

The previous prime is 13564055320643. The next prime is 13564055320661. The reversal of 13564055320660 is 6602355046531.

It can be written as a sum of positive squares in 8 ways, for example, as 92894505796 + 13471160814864 = 304786^2 + 3670308^2 .

It is a super-3 number, since 3×13564055320660³ (a number of 40 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13564055320660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13564055320661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899465625 + ... + 899480704.

It is an arithmetic number, because the mean of its divisors is an integer number (661112776275).

Almost surely, 2^{13564055320660} is an apocalyptic number.

13564055320660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13564055320660 is an abundant number, since it is smaller than the sum of its proper divisors (18169357940540).

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

13564055320660 is a wasteful number, since it uses less digits than its factorization.

13564055320660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1798946380 (or 1798946378 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 13564055320660 in words is "thirteen trillion, five hundred sixty-four billion, fifty-five million, three hundred twenty thousand, six hundred sixty".