159052336661 has 2 divisors, whose sum is σ = 159052336662. Its totient is φ = 159052336660.

The previous prime is 159052336631. The next prime is 159052336699. The reversal of 159052336661 is 166633250951.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96026234161 + 63026102500 = 309881^2 + 251050^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159052336661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159052336621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79526168330 + 79526168331.

It is an arithmetic number, because the mean of its divisors is an integer number (79526168331).

Almost surely, 2^159052336661 is an apocalyptic number.

It is an amenable number.

159052336661 is a deficient number, since it is larger than the sum of its proper divisors (1).

159052336661 is an equidigital number, since it uses as much as digits as its factorization.

159052336661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 47.

The spelling of 159052336661 in words is "one hundred fifty-nine billion, fifty-two million, three hundred thirty-six thousand, six hundred sixty-one".