131668162844 has 12 divisors (see below), whose sum is σ = 230426250600. Its totient is φ = 65832091248.

The previous prime is 131668162837. The next prime is 131668162849. The reversal of 131668162844 is 448261866131.

It is a junction number, because it is equal to n+sod(n) for n = 131668162792 and 131668162801.

It is a congruent number.

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

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343379 + ... + 617450.

It is an arithmetic number, because the mean of its divisors is an integer number (19202187550).

Almost surely, 2^131668162844 is an apocalyptic number.

It is an amenable number.

131668162844 is a deficient number, since it is larger than the sum of its proper divisors (98758087756).

131668162844 is a wasteful number, since it uses less digits than its factorization.

131668162844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995092 (or 995090 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 50.

The spelling of 131668162844 in words is "one hundred thirty-one billion, six hundred sixty-eight million, one hundred sixty-two thousand, eight hundred forty-four".