131668162843 has 8 divisors (see below), whose sum is σ = 153028373760. Its totient is φ = 110945570280.

The previous prime is 131668162837. The next prime is 131668162849. The reversal of 131668162843 is 348261866131.

It is an interprime number because it is at equal distance from previous prime (131668162837) and next prime (131668162849).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131668162843 - 2⁵ = 131668162811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131668162849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159404143 + ... + 159404968.

It is an arithmetic number, because the mean of its divisors is an integer number (19128546720).

Almost surely, 2^131668162843 is an apocalyptic number.

131668162843 is a deficient number, since it is larger than the sum of its proper divisors (21360210917).

131668162843 is an equidigital number, since it uses as much as digits as its factorization.

131668162843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318809177.

The product of its digits is 995328, while the sum is 49.

The spelling of 131668162843 in words is "one hundred thirty-one billion, six hundred sixty-eight million, one hundred sixty-two thousand, eight hundred forty-three".