1818696798 has 24 divisors (see below), whose sum is σ = 3946239336. Its totient is φ = 605350800.

The previous prime is 1818696791. The next prime is 1818696821. The reversal of 1818696798 is 8976968181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818696791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60673 + ... + 85548.

It is an arithmetic number, because the mean of its divisors is an integer number (164426639).

Almost surely, 2^1818696798 is an apocalyptic number.

1818696798 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1818696798 is an abundant number, since it is smaller than the sum of its proper divisors (2127542538).

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

1818696798 is a wasteful number, since it uses less digits than its factorization.

1818696798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146920 (or 146917 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 63.

The square root of 1818696798 is about 42646.1815172238. The cubic root of 1818696798 is about 1220.6376667374.

The spelling of 1818696798 in words is "one billion, eight hundred eighteen million, six hundred ninety-six thousand, seven hundred ninety-eight".