131583678668 has 24 divisors (see below), whose sum is σ = 261036449520. Its totient is φ = 57534563520.

The previous prime is 131583678631. The next prime is 131583678689. The reversal of 131583678668 is 866876385131.

131583678668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 131583678668.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66589943 + ... + 66591918.

It is an arithmetic number, because the mean of its divisors is an integer number (10876518730).

Almost surely, 2^131583678668 is an apocalyptic number.

It is an amenable number.

131583678668 is a deficient number, since it is larger than the sum of its proper divisors (129452770852).

131583678668 is a wasteful number, since it uses less digits than its factorization.

131583678668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133181897 (or 133181895 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 62.

The spelling of 131583678668 in words is "one hundred thirty-one billion, five hundred eighty-three million, six hundred seventy-eight thousand, six hundred sixty-eight".