118333821921888 has 24 divisors (see below), whose sum is σ = 310626282545208. Its totient is φ = 39444607307264.

The previous prime is 118333821921883. The next prime is 118333821921901. The reversal of 118333821921888 is 888129128333811.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×118333821921888² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118333821921883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616321989081 + ... + 616321989272.

It is an arithmetic number, because the mean of its divisors is an integer number (12942761772717).

Almost surely, 2^{118333821921888} is an apocalyptic number.

It is an amenable number.

118333821921888 is an abundant number, since it is smaller than the sum of its proper divisors (192292460623320).

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

118333821921888 is a wasteful number, since it uses less digits than its factorization.

118333821921888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232643978366 (or 1232643978358 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 66.

The spelling of 118333821921888 in words is "one hundred eighteen trillion, three hundred thirty-three billion, eight hundred twenty-one million, nine hundred twenty-one thousand, eight hundred eighty-eight".