1818412065696 has 96 divisors (see below), whose sum is σ = 4808343435840. Its totient is φ = 601703202816.

The previous prime is 1818412065619. The next prime is 1818412065697. The reversal of 1818412065696 is 6965602148181.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (1818412065697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9823470 + ... + 10006866.

It is an arithmetic number, because the mean of its divisors is an integer number (50086910790).

Almost surely, 2^{1818412065696} is an apocalyptic number.

1818412065696 is a gapful number since it is divisible by the number (16) 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 1818412065696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2404171717920).

1818412065696 is an abundant number, since it is smaller than the sum of its proper divisors (2989931370144).

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

1818412065696 is a wasteful number, since it uses less digits than its factorization.

1818412065696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184166 (or 184158 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 57.

The spelling of 1818412065696 in words is "one trillion, eight hundred eighteen billion, four hundred twelve million, sixty-five thousand, six hundred ninety-six".