117646576144 has 80 divisors (see below), whose sum is σ = 251960623488. Its totient is φ = 52931045376.

The previous prime is 117646576081. The next prime is 117646576153. The reversal of 117646576144 is 441675646711.

It is a junction number, because it is equal to n+sod(n) for n = 117646576091 and 117646576100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21999679 + ... + 22005025.

Almost surely, 2^117646576144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117646576144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125980311744).

117646576144 is an abundant number, since it is smaller than the sum of its proper divisors (134314047344).

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

117646576144 is a wasteful number, since it uses less digits than its factorization.

117646576144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8912 (or 8906 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 52.

The spelling of 117646576144 in words is "one hundred seventeen billion, six hundred forty-six million, five hundred seventy-six thousand, one hundred forty-four".