131324160666 has 32 divisors (see below), whose sum is σ = 268308246528. Its totient is φ = 42831897200.

The previous prime is 131324160661. The next prime is 131324160677. The reversal of 131324160666 is 666061423131.

It is not an unprimeable number, because it can be changed into a prime (131324160661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1029091 + ... + 1149641.

It is an arithmetic number, because the mean of its divisors is an integer number (8384632704).

Almost surely, 2^131324160666 is an apocalyptic number.

131324160666 is an abundant number, since it is smaller than the sum of its proper divisors (136984085862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131324160666 is a wasteful number, since it uses less digits than its factorization.

131324160666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124466.

The product of its (nonzero) digits is 93312, while the sum is 39.

Adding to 131324160666 its reverse (666061423131), we get a palindrome (797385583797).

The spelling of 131324160666 in words is "one hundred thirty-one billion, three hundred twenty-four million, one hundred sixty thousand, six hundred sixty-six".