56166728295 has 64 divisors (see below), whose sum is σ = 97343078400. Its totient is φ = 27573025920.

The previous prime is 56166728287. The next prime is 56166728297. The reversal of 56166728295 is 59282766165.

It is not a de Polignac number, because 56166728295 - 2³ = 56166728287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56166728297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1899736 + ... + 1929074.

It is an arithmetic number, because the mean of its divisors is an integer number (1520985600).

Almost surely, 2^56166728295 is an apocalyptic number.

56166728295 is a deficient number, since it is larger than the sum of its proper divisors (41176350105).

56166728295 is a wasteful number, since it uses less digits than its factorization.

56166728295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29580.

The product of its digits is 10886400, while the sum is 57.

The spelling of 56166728295 in words is "fifty-six billion, one hundred sixty-six million, seven hundred twenty-eight thousand, two hundred ninety-five".