18114821957708 has 24 divisors (see below), whose sum is σ = 36725940411552. Its totient is φ = 7657145875584.

The previous prime is 18114821957599. The next prime is 18114821957719. The reversal of 18114821957708 is 80775912841181.

It is a super-2 number, since 2×18114821957708² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4431216635 + ... + 4431220722.

It is an arithmetic number, because the mean of its divisors is an integer number (1530247517148).

Almost surely, 2^{18114821957708} is an apocalyptic number.

It is an amenable number.

18114821957708 is an abundant number, since it is smaller than the sum of its proper divisors (18611118453844).

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

18114821957708 is a wasteful number, since it uses less digits than its factorization.

18114821957708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8862437441 (or 8862437439 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 62.

The spelling of 18114821957708 in words is "eighteen trillion, one hundred fourteen billion, eight hundred twenty-one million, nine hundred fifty-seven thousand, seven hundred eight".