56663326176 has 144 divisors (see below), whose sum is σ = 153590033520. Its totient is φ = 18290810880.

The previous prime is 56663326151. The next prime is 56663326199. The reversal of 56663326176 is 67162336665.

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 23 ways as a sum of consecutive naturals, for example, 31672290 + ... + 31674078.

It is an arithmetic number, because the mean of its divisors is an integer number (1066597455).

Almost surely, 2^56663326176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56663326176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76795016760).

56663326176 is an abundant number, since it is smaller than the sum of its proper divisors (96926707344).

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

56663326176 is a wasteful number, since it uses less digits than its factorization.

56663326176 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2117 (or 2072 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 51.

The spelling of 56663326176 in words is "fifty-six billion, six hundred sixty-three million, three hundred twenty-six thousand, one hundred seventy-six".