117636506616 has 128 divisors (see below), whose sum is σ = 307460736000. Its totient is φ = 37480794624.

The previous prime is 117636506557. The next prime is 117636506623. The reversal of 117636506616 is 616605636711.

117636506616 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1041030976 + ... + 1041031088.

It is an arithmetic number, because the mean of its divisors is an integer number (2402037000).

Almost surely, 2^117636506616 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 117636506616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (153730368000).

117636506616 is an abundant number, since it is smaller than the sum of its proper divisors (189824229384).

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

117636506616 is an frugal number, since it uses more digits than its factorization.

117636506616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 117636506616 in words is "one hundred seventeen billion, six hundred thirty-six million, five hundred six thousand, six hundred sixteen".