158471868165 has 64 divisors (see below), whose sum is σ = 275688403200. Its totient is φ = 77268787200.

The previous prime is 158471868161. The next prime is 158471868167. The reversal of 158471868165 is 561868174851.

It is not a de Polignac number, because 158471868165 - 2² = 158471868161 is a prime.

It is a super-2 number, since 2×158471868165² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 158471868099 and 158471868108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158471868161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10248690 + ... + 10264140.

It is an arithmetic number, because the mean of its divisors is an integer number (4307631300).

Almost surely, 2^158471868165 is an apocalyptic number.

158471868165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

158471868165 is a deficient number, since it is larger than the sum of its proper divisors (117216535035).

158471868165 is a wasteful number, since it uses less digits than its factorization.

158471868165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15974.

The product of its digits is 12902400, while the sum is 60.

The spelling of 158471868165 in words is "one hundred fifty-eight billion, four hundred seventy-one million, eight hundred sixty-eight thousand, one hundred sixty-five".