131727571768666 has 8 divisors (see below), whose sum is σ = 197591470483104. Its totient is φ = 65863748274300.

The previous prime is 131727571768657. The next prime is 131727571768669. The reversal of 131727571768666 is 666867175727131.

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

It is not an unprimeable number, because it can be changed into a prime (131727571768669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14201560 + ... + 21567091.

It is an arithmetic number, because the mean of its divisors is an integer number (24698933810388).

Almost surely, 2^{131727571768666} is an apocalyptic number.

131727571768666 is a deficient number, since it is larger than the sum of its proper divisors (65863898714438).

131727571768666 is a wasteful number, since it uses less digits than its factorization.

131727571768666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37610036.

The product of its digits is 746807040, while the sum is 73.

The spelling of 131727571768666 in words is "one hundred thirty-one trillion, seven hundred twenty-seven billion, five hundred seventy-one million, seven hundred sixty-eight thousand, six hundred sixty-six".