131346568168 has 32 divisors (see below), whose sum is σ = 259354771200. Its totient is φ = 62188445952.

The previous prime is 131346568163. The next prime is 131346568207. The reversal of 131346568168 is 861865643131.

It is a super-2 number, since 2×131346568168² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131346568163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139696 + ... + 531232.

It is an arithmetic number, because the mean of its divisors is an integer number (8104836600).

Almost surely, 2^131346568168 is an apocalyptic number.

It is an amenable number.

131346568168 is a deficient number, since it is larger than the sum of its proper divisors (128008203032).

131346568168 is a wasteful number, since it uses less digits than its factorization.

131346568168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393769 (or 393765 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 52.

The spelling of 131346568168 in words is "one hundred thirty-one billion, three hundred forty-six million, five hundred sixty-eight thousand, one hundred sixty-eight".