168502131112 has 32 divisors (see below), whose sum is σ = 361368040320. Its totient is φ = 72156790080.

The previous prime is 168502131101. The next prime is 168502131113. The reversal of 168502131112 is 211131205861.

168502131112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (168502131113) 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 7 ways as a sum of consecutive naturals, for example, 1146964 + ... + 1285507.

It is an arithmetic number, because the mean of its divisors is an integer number (11292751260).

Almost surely, 2^168502131112 is an apocalyptic number.

It is an amenable number.

168502131112 is an abundant number, since it is smaller than the sum of its proper divisors (192865909208).

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

168502131112 is a wasteful number, since it uses less digits than its factorization.

168502131112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2433721 (or 2433717 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

Adding to 168502131112 its reverse (211131205861), we get a palindrome (379633336973).

The spelling of 168502131112 in words is "one hundred sixty-eight billion, five hundred two million, one hundred thirty-one thousand, one hundred twelve".