56356866865366 has 32 divisors (see below), whose sum is σ = 86037144514272. Its totient is φ = 27682139627520.

The previous prime is 56356866865363. The next prime is 56356866865367. The reversal of 56356866865366 is 66356866865365.

56356866865366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56356866865363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 357581361 + ... + 357738931.

It is an arithmetic number, because the mean of its divisors is an integer number (2688660766071).

Almost surely, 2^{56356866865366} is an apocalyptic number.

56356866865366 is a deficient number, since it is larger than the sum of its proper divisors (29680277648906).

56356866865366 is a wasteful number, since it uses less digits than its factorization.

56356866865366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171264.

The product of its digits is 20155392000, while the sum is 79.

Subtracting 56356866865366 from its reverse (66356866865365), we obtain a palindrome (9999999999999).

The spelling of 56356866865366 in words is "fifty-six trillion, three hundred fifty-six billion, eight hundred sixty-six million, eight hundred sixty-five thousand, three hundred sixty-six".