56166727895 has 16 divisors (see below), whose sum is σ = 68430210912. Its totient is φ = 44250086400.

The previous prime is 56166727787. The next prime is 56166727933. The reversal of 56166727895 is 59872766165.

It is not a de Polignac number, because 56166727895 - 2¹² = 56166723799 is a prime.

It is a super-2 number, since 2×56166727895² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 86306 + ... + 346095.

It is an arithmetic number, because the mean of its divisors is an integer number (4276888182).

Almost surely, 2^56166727895 is an apocalyptic number.

56166727895 is a deficient number, since it is larger than the sum of its proper divisors (12263483017).

56166727895 is a wasteful number, since it uses less digits than its factorization.

56166727895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432802.

The product of its digits is 38102400, while the sum is 62.

The spelling of 56166727895 in words is "fifty-six billion, one hundred sixty-six million, seven hundred twenty-seven thousand, eight hundred ninety-five".