195660116747867 has 2 divisors, whose sum is σ = 195660116747868. Its totient is φ = 195660116747866.

The previous prime is 195660116747863. The next prime is 195660116747929. The reversal of 195660116747867 is 768747611066591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195660116747867 - 2² = 195660116747863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 195660116747794 and 195660116747803.

It is not a weakly prime, because it can be changed into another prime (195660116747863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97830058373933 + 97830058373934.

It is an arithmetic number, because the mean of its divisors is an integer number (97830058373934).

Almost surely, 2^{195660116747867} is an apocalyptic number.

195660116747867 is a deficient number, since it is larger than the sum of its proper divisors (1).

195660116747867 is an equidigital number, since it uses as much as digits as its factorization.

195660116747867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 640120320, while the sum is 74.

The spelling of 195660116747867 in words is "one hundred ninety-five trillion, six hundred sixty billion, one hundred sixteen million, seven hundred forty-seven thousand, eight hundred sixty-seven".