117500640166 has 64 divisors (see below), whose sum is σ = 223894863360. Its totient is φ = 45013605120.

The previous prime is 117500640143. The next prime is 117500640167. The reversal of 117500640166 is 661046005711.

117500640166 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117500640167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 637786 + ... + 801106.

It is an arithmetic number, because the mean of its divisors is an integer number (3498357240).

Almost surely, 2^117500640166 is an apocalyptic number.

117500640166 is a deficient number, since it is larger than the sum of its proper divisors (106394223194).

117500640166 is a wasteful number, since it uses less digits than its factorization.

117500640166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163469.

The product of its (nonzero) digits is 30240, while the sum is 37.

Adding to 117500640166 its reverse (661046005711), we get a palindrome (778546645877).

The spelling of 117500640166 in words is "one hundred seventeen billion, five hundred million, six hundred forty thousand, one hundred sixty-six".