818692742021112 has 192 divisors, whose sum is σ = 2588615216928000. Its totient is φ = 233654309017920.

The previous prime is 818692742021057. The next prime is 818692742021149. The reversal of 818692742021112 is 211120247296818.

818692742021112 is a `hidden beast` number, since 8 + 1 + 8 + 69 + 27 + 420 + 21 + 112 = 666.

818692742021112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4124287 + ... + 40674257.

It is an arithmetic number, because the mean of its divisors is an integer number (13482370921500).

Almost surely, 2^{818692742021112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 818692742021112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1294307608464000).

818692742021112 is an abundant number, since it is smaller than the sum of its proper divisors (1769922474906888).

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

818692742021112 is a wasteful number, since it uses less digits than its factorization.

818692742021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36550911 (or 36550890 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 54.

The spelling of 818692742021112 in words is "eight hundred eighteen trillion, six hundred ninety-two billion, seven hundred forty-two million, twenty-one thousand, one hundred twelve".