56488052166 has 128 divisors (see below), whose sum is σ = 148044589056. Its totient is φ = 13943715840.

The previous prime is 56488052111. The next prime is 56488052177. The reversal of 56488052166 is 66125088465.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1663231 + ... + 1696853.

It is an arithmetic number, because the mean of its divisors is an integer number (1156598352).

Almost surely, 2^56488052166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56488052166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74022294528).

56488052166 is an abundant number, since it is smaller than the sum of its proper divisors (91556536890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56488052166 is a wasteful number, since it uses less digits than its factorization.

56488052166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33846.

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 56488052166 in words is "fifty-six billion, four hundred eighty-eight million, fifty-two thousand, one hundred sixty-six".