5661306205364 has 12 divisors (see below), whose sum is σ = 9907894790724. Its totient is φ = 2830479122304.

The previous prime is 5661306205363. The next prime is 5661306205397. The reversal of 5661306205364 is 4635026031665.

It can be written as a sum of positive squares in 2 ways, for example, as 2854944156964 + 2806362048400 = 1689658^2 + 1675220^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661306205361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43421867 + ... + 43552050.

It is an arithmetic number, because the mean of its divisors is an integer number (825657899227).

Almost surely, 2^{5661306205364} is an apocalyptic number.

It is an amenable number.

5661306205364 is a deficient number, since it is larger than the sum of its proper divisors (4246588585360).

5661306205364 is a wasteful number, since it uses less digits than its factorization.

5661306205364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86990194 (or 86990192 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 47.

The spelling of 5661306205364 in words is "five trillion, six hundred sixty-one billion, three hundred six million, two hundred five thousand, three hundred sixty-four".