131676651866 has 8 divisors (see below), whose sum is σ = 197605629120. Its totient is φ = 65808108828.

The previous prime is 131676651809. The next prime is 131676651871. The reversal of 131676651866 is 668156676131.

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

It is a super-2 number, since 2×131676651866² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15103106 + ... + 15111821.

It is an arithmetic number, because the mean of its divisors is an integer number (24700703640).

Almost surely, 2^131676651866 is an apocalyptic number.

131676651866 is a deficient number, since it is larger than the sum of its proper divisors (65928977254).

131676651866 is a wasteful number, since it uses less digits than its factorization.

131676651866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30217108.

The product of its digits is 6531840, while the sum is 56.

The spelling of 131676651866 in words is "one hundred thirty-one billion, six hundred seventy-six million, six hundred fifty-one thousand, eight hundred sixty-six".