1818713849660 has 48 divisors (see below), whose sum is σ = 3829656710880. Its totient is φ = 725513191680.

The previous prime is 1818713849639. The next prime is 1818713849663. The reversal of 1818713849660 is 669483178181.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1818713849593 and 1818713849602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818713849663) 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, 80566175 + ... + 80588745.

It is an arithmetic number, because the mean of its divisors is an integer number (79784514810).

Almost surely, 2^{1818713849660} is an apocalyptic number.

1818713849660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1818713849660 is an abundant number, since it is smaller than the sum of its proper divisors (2010942861220).

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

1818713849660 is a wasteful number, since it uses less digits than its factorization.

1818713849660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33326 (or 33324 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 62.

The spelling of 1818713849660 in words is "one trillion, eight hundred eighteen billion, seven hundred thirteen million, eight hundred forty-nine thousand, six hundred sixty".