167725942271 has 4 divisors (see below), whose sum is σ = 170475547944. Its totient is φ = 164976336600.

The previous prime is 167725942259. The next prime is 167725942301. The reversal of 167725942271 is 172249527761.

It is a happy number.

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 167725942271 - 2¹⁰ = 167725941247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (167725944271) 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, 1374802745 + ... + 1374802866.

It is an arithmetic number, because the mean of its divisors is an integer number (42618886986).

Almost surely, 2^167725942271 is an apocalyptic number.

167725942271 is a deficient number, since it is larger than the sum of its proper divisors (2749605673).

167725942271 is an equidigital number, since it uses as much as digits as its factorization.

167725942271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2749605672.

The product of its digits is 2963520, while the sum is 53.

The spelling of 167725942271 in words is "one hundred sixty-seven billion, seven hundred twenty-five million, nine hundred forty-two thousand, two hundred seventy-one".