18358126712 has 8 divisors (see below), whose sum is σ = 34421487600. Its totient is φ = 9179063352.

The previous prime is 18358126711. The next prime is 18358126723. The reversal of 18358126712 is 21762185381.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×18358126712³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18358126711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1147382912 + ... + 1147382927.

It is an arithmetic number, because the mean of its divisors is an integer number (4302685950).

Almost surely, 2^18358126712 is an apocalyptic number.

It is an amenable number.

18358126712 is a deficient number, since it is larger than the sum of its proper divisors (16063360888).

18358126712 is a wasteful number, since it uses less digits than its factorization.

18358126712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294765845 (or 2294765841 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The spelling of 18358126712 in words is "eighteen billion, three hundred fifty-eight million, one hundred twenty-six thousand, seven hundred twelve".