117271017664 has 56 divisors (see below), whose sum is σ = 234959418320. Its totient is φ = 58069177344.

The previous prime is 117271017613. The next prime is 117271017673. The reversal of 117271017664 is 466710172711.

It is a self number, because there is not a number n which added to its sum of digits gives 117271017664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26876347 + ... + 26880709.

Almost surely, 2^117271017664 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 117271017664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117479709160).

117271017664 is an abundant number, since it is smaller than the sum of its proper divisors (117688400656).

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

117271017664 is a wasteful number, since it uses less digits than its factorization.

117271017664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337 (or 8327 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 43.

The spelling of 117271017664 in words is "one hundred seventeen billion, two hundred seventy-one million, seventeen thousand, six hundred sixty-four".