56661262400360 has 32 divisors (see below), whose sum is σ = 130933457712360. Its totient is φ = 22051950771456.

The previous prime is 56661262400273. The next prime is 56661262400411. The reversal of 56661262400360 is 6300426216665.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 45688433899684 + 10972828500676 = 6759322^2 + 3312526^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19142316899 + ... + 19142319858.

Almost surely, 2^{56661262400360} is an apocalyptic number.

It is an amenable number.

56661262400360 is an abundant number, since it is smaller than the sum of its proper divisors (74272195312000).

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

56661262400360 is a wasteful number, since it uses less digits than its factorization.

56661262400360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38284636805 (or 38284636801 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 56661262400360 in words is "fifty-six trillion, six hundred sixty-one billion, two hundred sixty-two million, four hundred thousand, three hundred sixty".