118219965937920 has 7776 divisors, whose sum is σ = 594370740547584. Its totient is φ = 22210346188800.

The previous prime is 118219965937859. The next prime is 118219965937921. The reversal of 118219965937920 is 29739569912811.

118219965937920 is a `hidden beast` number, since 1 + 1 + 8 + 2 + 1 + 9 + 9 + 6 + 593 + 7 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (7776).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118219965937921) by changing a digit.

It is a polite number, since it can be written in 863 ways as a sum of consecutive naturals, for example, 2749301533419 + ... + 2749301533461.

Almost surely, 2^{118219965937920} is an apocalyptic number.

118219965937920 is a gapful number since it is divisible by the number (10) 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 118219965937920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297185370273792).

118219965937920 is an abundant number, since it is smaller than the sum of its proper divisors (476150774609664).

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

118219965937920 is a wasteful number, since it uses less digits than its factorization.

118219965937920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 132269760, while the sum is 72.

The spelling of 118219965937920 in words is "one hundred eighteen trillion, two hundred nineteen billion, nine hundred sixty-five million, nine hundred thirty-seven thousand, nine hundred twenty".