117161773647 has 8 divisors (see below), whose sum is σ = 157970931120. Its totient is φ = 77230232640.

The previous prime is 117161773637. The next prime is 117161773693. The reversal of 117161773647 is 746377161711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117161773647 - 2⁶ = 117161773583 is a prime.

It is a super-3 number, since 3×117161773647³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 117161773647.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117161773637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219403804 + ... + 219404337.

It is an arithmetic number, because the mean of its divisors is an integer number (19746366390).

Almost surely, 2^117161773647 is an apocalyptic number.

117161773647 is a deficient number, since it is larger than the sum of its proper divisors (40809157473).

117161773647 is an equidigital number, since it uses as much as digits as its factorization.

117161773647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438808233.

The product of its digits is 1037232, while the sum is 51.

The spelling of 117161773647 in words is "one hundred seventeen billion, one hundred sixty-one million, seven hundred seventy-three thousand, six hundred forty-seven".