18463486536536 has 16 divisors (see below), whose sum is σ = 34622270121600. Its totient is φ = 9230881170784.

The previous prime is 18463486536511. The next prime is 18463486536541. The reversal of 18463486536536 is 63563568436481.

It is a super-2 number, since 2×18463486536536² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107671160 + ... + 107842503.

It is an arithmetic number, because the mean of its divisors is an integer number (2163891882600).

Almost surely, 2^{18463486536536} is an apocalyptic number.

It is an amenable number.

18463486536536 is a deficient number, since it is larger than the sum of its proper divisors (16158783585064).

18463486536536 is a wasteful number, since it uses less digits than its factorization.

18463486536536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215524378 (or 215524374 counting only the distinct ones).

The product of its digits is 895795200, while the sum is 68.

The spelling of 18463486536536 in words is "eighteen trillion, four hundred sixty-three billion, four hundred eighty-six million, five hundred thirty-six thousand, five hundred thirty-six".