159674518193 has 2 divisors, whose sum is σ = 159674518194. Its totient is φ = 159674518192.

The previous prime is 159674518151. The next prime is 159674518243. The reversal of 159674518193 is 391815476951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147849478144 + 11825040049 = 384512^2 + 108743^2 .

It is a cyclic number.

It is not a de Polignac number, because 159674518193 - 2¹⁶ = 159674452657 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (159674518793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79837259096 + 79837259097.

It is an arithmetic number, because the mean of its divisors is an integer number (79837259097).

Almost surely, 2^159674518193 is an apocalyptic number.

It is an amenable number.

159674518193 is a deficient number, since it is larger than the sum of its proper divisors (1).

159674518193 is an equidigital number, since it uses as much as digits as its factorization.

159674518193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 59.

The spelling of 159674518193 in words is "one hundred fifty-nine billion, six hundred seventy-four million, five hundred eighteen thousand, one hundred ninety-three".