118732578816 has 112 divisors (see below), whose sum is σ = 318010544064. Its totient is φ = 39401324544.

The previous prime is 118732578781. The next prime is 118732578817. The reversal of 118732578816 is 618875237811.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118732578817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5568111 + ... + 5589393.

Almost surely, 2^118732578816 is an apocalyptic number.

118732578816 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 118732578816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159005272032).

118732578816 is an abundant number, since it is smaller than the sum of its proper divisors (199277965248).

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

118732578816 is an equidigital number, since it uses as much as digits as its factorization.

118732578816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21539 (or 21515 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 57.

The spelling of 118732578816 in words is "one hundred eighteen billion, seven hundred thirty-two million, five hundred seventy-eight thousand, eight hundred sixteen".