162140171 has 2 divisors, whose sum is σ = 162140172. Its totient is φ = 162140170.

The previous prime is 162140159. The next prime is 162140183. The reversal of 162140171 is 171041261.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (162140159) and next prime (162140183).

It is a cyclic number.

It is not a de Polignac number, because 162140171 - 2¹⁰ = 162139147 is a prime.

It is not a weakly prime, because it can be changed into another prime (162140191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81070085 + 81070086.

It is an arithmetic number, because the mean of its divisors is an integer number (81070086).

Almost surely, 2^162140171 is an apocalyptic number.

162140171 is a deficient number, since it is larger than the sum of its proper divisors (1).

162140171 is an equidigital number, since it uses as much as digits as its factorization.

162140171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 162140171 is about 12733.4273076811. The cubic root of 162140171 is about 545.2933594445.

The spelling of 162140171 in words is "one hundred sixty-two million, one hundred forty thousand, one hundred seventy-one".