18266135116 has 12 divisors (see below), whose sum is σ = 32195706760. Its totient is φ = 9067361760.

The previous prime is 18266135113. The next prime is 18266135119. The reversal of 18266135116 is 61153166281.

It is an interprime number because it is at equal distance from previous prime (18266135113) and next prime (18266135119).

It is a super-3 number, since 3×18266135116³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (18266135113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16425825 + ... + 16426936.

Almost surely, 2^18266135116 is an apocalyptic number.

It is an amenable number.

18266135116 is a deficient number, since it is larger than the sum of its proper divisors (13929571644).

18266135116 is a wasteful number, since it uses less digits than its factorization.

18266135116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32852904 (or 32852902 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The spelling of 18266135116 in words is "eighteen billion, two hundred sixty-six million, one hundred thirty-five thousand, one hundred sixteen".