162159617857 has 2 divisors, whose sum is σ = 162159617858. Its totient is φ = 162159617856.

The previous prime is 162159617849. The next prime is 162159617861. The reversal of 162159617857 is 758716951261.

162159617857 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156340369201 + 5819248656 = 395399^2 + 76284^2 .

It is a cyclic number.

It is not a de Polignac number, because 162159617857 - 2³ = 162159617849 is a prime.

It is not a weakly prime, because it can be changed into another prime (162159614857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81079808928 + 81079808929.

It is an arithmetic number, because the mean of its divisors is an integer number (81079808929).

Almost surely, 2^162159617857 is an apocalyptic number.

It is an amenable number.

162159617857 is a deficient number, since it is larger than the sum of its proper divisors (1).

162159617857 is an equidigital number, since it uses as much as digits as its factorization.

162159617857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6350400, while the sum is 58.

The spelling of 162159617857 in words is "one hundred sixty-two billion, one hundred fifty-nine million, six hundred seventeen thousand, eight hundred fifty-seven".