1818126049792 has 160 divisors (see below), whose sum is σ = 3987382291200. Its totient is φ = 823116349440.

The previous prime is 1818126049777. The next prime is 1818126049799. The reversal of 1818126049792 is 2979406218181.

It is not an unprimeable number, because it can be changed into a prime (1818126049799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94032958 + ... + 94052290.

It is an arithmetic number, because the mean of its divisors is an integer number (24921139320).

Almost surely, 2^{1818126049792} 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 1818126049792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1993691145600).

1818126049792 is an abundant number, since it is smaller than the sum of its proper divisors (2169256241408).

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

1818126049792 is a wasteful number, since it uses less digits than its factorization.

1818126049792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19634 (or 19618 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 1818126049792 in words is "one trillion, eight hundred eighteen billion, one hundred twenty-six million, forty-nine thousand, seven hundred ninety-two".