158471868171 has 4 divisors (see below), whose sum is σ = 211295824232. Its totient is φ = 105647912112.

The previous prime is 158471868167. The next prime is 158471868173. The reversal of 158471868171 is 171868174851.

158471868171 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171868174851 = 3 ⋅57289391617.

It is not a de Polignac number, because 158471868171 - 2² = 158471868167 is a prime.

It is a super-2 number, since 2×158471868171² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158471868173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26411978026 + ... + 26411978031.

It is an arithmetic number, because the mean of its divisors is an integer number (52823956058).

Almost surely, 2^158471868171 is an apocalyptic number.

158471868171 is a deficient number, since it is larger than the sum of its proper divisors (52823956061).

158471868171 is an equidigital number, since it uses as much as digits as its factorization.

158471868171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52823956060.

The product of its digits is 3010560, while the sum is 57.

The spelling of 158471868171 in words is "one hundred fifty-eight billion, four hundred seventy-one million, eight hundred sixty-eight thousand, one hundred seventy-one".