131676781658 has 16 divisors (see below), whose sum is σ = 203901227520. Its totient is φ = 63710010000.

The previous prime is 131676781619. The next prime is 131676781699. The reversal of 131676781658 is 856187676131.

It is a junction number, because it is equal to n+sod(n) for n = 131676781597 and 131676781606.

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, 896408 + ... + 1032908.

It is an arithmetic number, because the mean of its divisors is an integer number (12743826720).

Almost surely, 2^131676781658 is an apocalyptic number.

131676781658 is a deficient number, since it is larger than the sum of its proper divisors (72224445862).

131676781658 is a wasteful number, since it uses less digits than its factorization.

131676781658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152093.

The product of its digits is 10160640, while the sum is 59.

The spelling of 131676781658 in words is "one hundred thirty-one billion, six hundred seventy-six million, seven hundred eighty-one thousand, six hundred fifty-eight".