18086369936 has 10 divisors (see below), whose sum is σ = 35042341782. Its totient is φ = 9043184960.

The previous prime is 18086369927. The next prime is 18086369947. The reversal of 18086369936 is 63996368081.

It can be written as a sum of positive squares in only one way, i.e., 10952878336 + 7133491600 = 104656^2 + 84460^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 565199045 + ... + 565199076.

Almost surely, 2^18086369936 is an apocalyptic number.

18086369936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

18086369936 is a deficient number, since it is larger than the sum of its proper divisors (16955971846).

18086369936 is a wasteful number, since it uses less digits than its factorization.

18086369936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130398129 (or 1130398123 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 59.

The spelling of 18086369936 in words is "eighteen billion, eighty-six million, three hundred sixty-nine thousand, nine hundred thirty-six".