162115226171 has 2 divisors, whose sum is σ = 162115226172. Its totient is φ = 162115226170.

The previous prime is 162115226159. The next prime is 162115226191. The reversal of 162115226171 is 171622511261.

It is a weak prime.

It is an emirp because it is prime and its reverse (171622511261) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-162115226171 is a prime.

It is not a weakly prime, because it can be changed into another prime (162115226111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81057613085 + 81057613086.

It is an arithmetic number, because the mean of its divisors is an integer number (81057613086).

Almost surely, 2^162115226171 is an apocalyptic number.

162115226171 is a deficient number, since it is larger than the sum of its proper divisors (1).

162115226171 is an equidigital number, since it uses as much as digits as its factorization.

162115226171 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 35.

The spelling of 162115226171 in words is "one hundred sixty-two billion, one hundred fifteen million, two hundred twenty-six thousand, one hundred seventy-one".