118217866822416 has 135 divisors (see below), whose sum is σ = 332146079456373. Its totient is φ = 39251692264320.

The previous prime is 118217866822411. The next prime is 118217866822441. The reversal of 118217866822416 is 614228668712811.

The square root of 118217866822416 is 10872804.

It is a perfect power (a square), and thus also a powerful number.

118217866822416 is a `hidden beast` number, since 1 + 1 + 82 + 1 + 7 + 8 + 66 + 82 + 2 + 416 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20376015440400 + 97841851382016 = 4513980^2 + 9891504^2 .

It is not an unprimeable number, because it can be changed into a prime (118217866822411) by changing a digit.

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 26 ways as a sum of consecutive naturals, for example, 36141198861 + ... + 36141202131.

Almost surely, 2^{118217866822416} is an apocalyptic number.

118217866822416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

118217866822416 is the 10872804-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118217866822416

118217866822416 is an abundant number, since it is smaller than the sum of its proper divisors (213928212633957).

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

118217866822416 is an frugal number, since it uses more digits than its factorization.

118217866822416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110 (or 3553 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 63.

The spelling of 118217866822416 in words is "one hundred eighteen trillion, two hundred seventeen billion, eight hundred sixty-six million, eight hundred twenty-two thousand, four hundred sixteen".