18164600436132 has 72 divisors (see below), whose sum is σ = 47617949433600. Its totient is φ = 6054703947936.

The previous prime is 18164600436097. The next prime is 18164600436137. The reversal of 18164600436132 is 23163400646181.

18164600436132 is a `hidden beast` number, since 1 + 8 + 1 + 6 + 4 + 600 + 4 + 3 + 6 + 1 + 32 = 666.

It is a super-2 number, since 2×18164600436132² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18164600436137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39065869 + ... + 39528107.

It is an arithmetic number, because the mean of its divisors is an integer number (661360408800).

Almost surely, 2^{18164600436132} is an apocalyptic number.

18164600436132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18164600436132 is an abundant number, since it is smaller than the sum of its proper divisors (29453348997468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18164600436132 is a wasteful number, since it uses less digits than its factorization.

18164600436132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502687 (or 502673 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 18164600436132 in words is "eighteen trillion, one hundred sixty-four billion, six hundred million, four hundred thirty-six thousand, one hundred thirty-two".