117171987446716 has 24 divisors (see below), whose sum is σ = 205353862202160. Its totient is φ = 58499457616512.

The previous prime is 117171987446681. The next prime is 117171987446749. The reversal of 117171987446716 is 617644789171711.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252448090 + ... + 252911806.

It is an arithmetic number, because the mean of its divisors is an integer number (8556410925090).

Almost surely, 2^{117171987446716} is an apocalyptic number.

It is an amenable number.

117171987446716 is a deficient number, since it is larger than the sum of its proper divisors (88181874755444).

117171987446716 is a wasteful number, since it uses less digits than its factorization.

117171987446716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556893 (or 556891 counting only the distinct ones).

The product of its digits is 99574272, while the sum is 70.

The spelling of 117171987446716 in words is "one hundred seventeen trillion, one hundred seventy-one billion, nine hundred eighty-seven million, four hundred forty-six thousand, seven hundred sixteen".