117968865456 has 120 divisors (see below), whose sum is σ = 333976499136. Its totient is φ = 35860581120.

The previous prime is 117968865437. The next prime is 117968865457. The reversal of 117968865456 is 654568869711.

It is not an unprimeable number, because it can be changed into a prime (117968865457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 585691 + ... + 760901.

Almost surely, 2^117968865456 is an apocalyptic number.

117968865456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117968865456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166988249568).

117968865456 is an abundant number, since it is smaller than the sum of its proper divisors (216007633680).

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

117968865456 is a wasteful number, since it uses less digits than its factorization.

117968865456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175331 (or 175312 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 66.

The spelling of 117968865456 in words is "one hundred seventeen billion, nine hundred sixty-eight million, eight hundred sixty-five thousand, four hundred fifty-six".