117221175566 has 24 divisors (see below), whose sum is σ = 193324501440. Its totient is φ = 53267223680.

The previous prime is 117221175557. The next prime is 117221175581. The reversal of 117221175566 is 665571122711.

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 11 ways as a sum of consecutive naturals, for example, 808355 + ... + 942273.

It is an arithmetic number, because the mean of its divisors is an integer number (8055187560).

Almost surely, 2^117221175566 is an apocalyptic number.

117221175566 is a deficient number, since it is larger than the sum of its proper divisors (76103325874).

117221175566 is a wasteful number, since it uses less digits than its factorization.

117221175566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137560 (or 137549 counting only the distinct ones).

The product of its digits is 176400, while the sum is 44.

The spelling of 117221175566 in words is "one hundred seventeen billion, two hundred twenty-one million, one hundred seventy-five thousand, five hundred sixty-six".