118644067796640 has 192 divisors, whose sum is σ = 389390050344960. Its totient is φ = 30331675653120.

The previous prime is 118644067796627. The next prime is 118644067796651. The reversal of 118644067796640 is 46697760446811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35666680 + ... + 38850999.

It is an arithmetic number, because the mean of its divisors is an integer number (2028073178880).

Almost surely, 2^{118644067796640} is an apocalyptic number.

118644067796640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118644067796640 is an abundant number, since it is smaller than the sum of its proper divisors (270745982548320).

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

118644067796640 is a wasteful number, since it uses less digits than its factorization.

118644067796640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74517835 (or 74517827 counting only the distinct ones).

The product of its (nonzero) digits is 292626432, while the sum is 69.

The spelling of 118644067796640 in words is "one hundred eighteen trillion, six hundred forty-four billion, sixty-seven million, seven hundred ninety-six thousand, six hundred forty".