56166634546 has 8 divisors (see below), whose sum is σ = 91909038384. Its totient is φ = 25530288420.

The previous prime is 56166634507. The next prime is 56166634553. The reversal of 56166634546 is 64543666165.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×56166634546² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 56166634493 and 56166634502.

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 3 ways as a sum of consecutive naturals, for example, 1276514400 + ... + 1276514443.

It is an arithmetic number, because the mean of its divisors is an integer number (11488629798).

Almost surely, 2^56166634546 is an apocalyptic number.

56166634546 is a deficient number, since it is larger than the sum of its proper divisors (35742403838).

56166634546 is a wasteful number, since it uses less digits than its factorization.

56166634546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553028856.

The product of its digits is 9331200, while the sum is 52.

The spelling of 56166634546 in words is "fifty-six billion, one hundred sixty-six million, six hundred thirty-four thousand, five hundred forty-six".