1818411198768 has 60 divisors (see below), whose sum is σ = 5090989432360. Its totient is φ = 605903182848.

The previous prime is 1818411198763. The next prime is 1818411198803. The reversal of 1818411198768 is 8678911148181.

1818411198768 is a `hidden beast` number, since 1 + 81 + 8 + 411 + 1 + 9 + 87 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (1818411198763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2061598 + ... + 2808381.

Almost surely, 2^{1818411198768} is an apocalyptic number.

1818411198768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1818411198768 is an abundant number, since it is smaller than the sum of its proper divisors (3272578233592).

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

1818411198768 is a wasteful number, since it uses less digits than its factorization.

1818411198768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872586 (or 4872577 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 63.

The spelling of 1818411198768 in words is "one trillion, eight hundred eighteen billion, four hundred eleven million, one hundred ninety-eight thousand, seven hundred sixty-eight".