18126766235108 has 6 divisors (see below), whose sum is σ = 31721840911446. Its totient is φ = 9063383117552.

The previous prime is 18126766235101. The next prime is 18126766235131. The reversal of 18126766235108 is 80153266762181.

It can be written as a sum of positive squares in only one way, i.e., 18113859457444 + 12906777664 = 4256038^2 + 113608^2 .

It is not an unprimeable number, because it can be changed into a prime (18126766235101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2265845779385 + ... + 2265845779392.

It is an arithmetic number, because the mean of its divisors is an integer number (5286973485241).

Almost surely, 2^{18126766235108} is an apocalyptic number.

It is an amenable number.

18126766235108 is a deficient number, since it is larger than the sum of its proper divisors (13595074676338).

18126766235108 is a wasteful number, since it uses less digits than its factorization.

18126766235108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531691558781 (or 4531691558779 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 18126766235108 in words is "eighteen trillion, one hundred twenty-six billion, seven hundred sixty-six million, two hundred thirty-five thousand, one hundred eight".