131660448686 has 32 divisors (see below), whose sum is σ = 213478624128. Its totient is φ = 60539101920.

The previous prime is 131660448617. The next prime is 131660448697. The reversal of 131660448686 is 686844066131.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13997261 + ... + 14006663.

It is an arithmetic number, because the mean of its divisors is an integer number (6671207004).

Almost surely, 2^131660448686 is an apocalyptic number.

131660448686 is a deficient number, since it is larger than the sum of its proper divisors (81818175442).

131660448686 is a wasteful number, since it uses less digits than its factorization.

131660448686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11376.

The product of its (nonzero) digits is 3981312, while the sum is 53.

The spelling of 131660448686 in words is "one hundred thirty-one billion, six hundred sixty million, four hundred forty-eight thousand, six hundred eighty-six".