162066560171 has 4 divisors (see below), whose sum is σ = 166019403144. Its totient is φ = 158113717200.

The previous prime is 162066560167. The next prime is 162066560177. The reversal of 162066560171 is 171065660261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162066560171 - 2² = 162066560167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 3952842931 = 162066560171 / (1 + 6 + 2 + 0 + 6 + 6 + 5 + 6 + 0 + 1 + 7 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (162066560177) 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, 1976421425 + ... + 1976421506.

It is an arithmetic number, because the mean of its divisors is an integer number (41504850786).

Almost surely, 2^162066560171 is an apocalyptic number.

162066560171 is a deficient number, since it is larger than the sum of its proper divisors (3952842973).

162066560171 is an equidigital number, since it uses as much as digits as its factorization.

162066560171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3952842972.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 162066560171 in words is "one hundred sixty-two billion, sixty-six million, five hundred sixty thousand, one hundred seventy-one".