56271060166 has 4 divisors (see below), whose sum is σ = 84406590252. Its totient is φ = 28135530082.

The previous prime is 56271060163. The next prime is 56271060173. The reversal of 56271060166 is 66106017265.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66106017265 = 5 ⋅13221203453.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56271060161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14067765040 + ... + 14067765043.

It is an arithmetic number, because the mean of its divisors is an integer number (21101647563).

Almost surely, 2^56271060166 is an apocalyptic number.

56271060166 is a deficient number, since it is larger than the sum of its proper divisors (28135530086).

56271060166 is a wasteful number, since it uses less digits than its factorization.

56271060166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28135530085.

The product of its (nonzero) digits is 90720, while the sum is 40.

The spelling of 56271060166 in words is "fifty-six billion, two hundred seventy-one million, sixty thousand, one hundred sixty-six".