1818627812318 has 16 divisors (see below), whose sum is σ = 2755021400064. Its totient is φ = 900316511640.

The previous prime is 1818627812311. The next prime is 1818627812321. The reversal of 1818627812318 is 8132187268181.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1818627812311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7166480 + ... + 7415907.

It is an arithmetic number, because the mean of its divisors is an integer number (172188837504).

Almost surely, 2^{1818627812318} is an apocalyptic number.

1818627812318 is a deficient number, since it is larger than the sum of its proper divisors (936393587746).

1818627812318 is a wasteful number, since it uses less digits than its factorization.

1818627812318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14583007.

The product of its digits is 2064384, while the sum is 56.

The spelling of 1818627812318 in words is "one trillion, eight hundred eighteen billion, six hundred twenty-seven million, eight hundred twelve thousand, three hundred eighteen".