198606056294167 has 2 divisors, whose sum is σ = 198606056294168. Its totient is φ = 198606056294166.

The previous prime is 198606056294101. The next prime is 198606056294189. The reversal of 198606056294167 is 761492650606891.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198606056294167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 198606056294096 and 198606056294105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (198606056234167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99303028147083 + 99303028147084.

It is an arithmetic number, because the mean of its divisors is an integer number (99303028147084).

Almost surely, 2^{198606056294167} is an apocalyptic number.

198606056294167 is a deficient number, since it is larger than the sum of its proper divisors (1).

198606056294167 is an equidigital number, since it uses as much as digits as its factorization.

198606056294167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235146240, while the sum is 70.

The spelling of 198606056294167 in words is "one hundred ninety-eight trillion, six hundred six billion, fifty-six million, two hundred ninety-four thousand, one hundred sixty-seven".