159498242191 has 4 divisors (see below), whose sum is σ = 159501113712. Its totient is φ = 159495370672.

The previous prime is 159498242179. The next prime is 159498242219. The reversal of 159498242191 is 191242894951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191242894951 = 277 ⋅690407563.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159498242191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159498272191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350766 + ... + 1464091.

It is an arithmetic number, because the mean of its divisors is an integer number (39875278428).

Almost surely, 2^159498242191 is an apocalyptic number.

159498242191 is a deficient number, since it is larger than the sum of its proper divisors (2871521).

159498242191 is an equidigital number, since it uses as much as digits as its factorization.

159498242191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871520.

The product of its digits is 1866240, while the sum is 55.

The spelling of 159498242191 in words is "one hundred fifty-nine billion, four hundred ninety-eight million, two hundred forty-two thousand, one hundred ninety-one".