167205161071 has 4 divisors (see below), whose sum is σ = 180067096552. Its totient is φ = 154343225592.

The previous prime is 167205161009. The next prime is 167205161077. The reversal of 167205161071 is 170161502761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 170161502761 = 23 ⋅7398326207.

It is a cyclic number.

It is not a de Polignac number, because 167205161071 - 2⁹ = 167205160559 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 167205161071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167205161077) 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, 6430967721 + ... + 6430967746.

It is an arithmetic number, because the mean of its divisors is an integer number (45016774138).

Almost surely, 2^167205161071 is an apocalyptic number.

167205161071 is a deficient number, since it is larger than the sum of its proper divisors (12861935481).

167205161071 is a wasteful number, since it uses less digits than its factorization.

167205161071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12861935480.

The product of its (nonzero) digits is 17640, while the sum is 37.

The spelling of 167205161071 in words is "one hundred sixty-seven billion, two hundred five million, one hundred sixty-one thousand, seventy-one".