117706266018 has 168 divisors, whose sum is σ = 292563253164. Its totient is φ = 35473489920.

The previous prime is 117706266001. The next prime is 117706266023. The reversal of 117706266018 is 810662607711.

117706266018 is a `hidden beast` number, since 1 + 1 + 7 + 7 + 0 + 626 + 6 + 0 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 93762726849 + 23943539169 = 306207^2 + 154737^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 34046946 + ... + 34050402.

Almost surely, 2^117706266018 is an apocalyptic number.

117706266018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 117706266018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146281626582).

117706266018 is an abundant number, since it is smaller than the sum of its proper divisors (174856987146).

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

117706266018 is a wasteful number, since it uses less digits than its factorization.

117706266018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 117706266018 in words is "one hundred seventeen billion, seven hundred six million, two hundred sixty-six thousand, eighteen".