158171155567122 has 32 divisors (see below), whose sum is σ = 317849564620224. Its totient is φ = 52472522188800.

The previous prime is 158171155567097. The next prime is 158171155567123. The reversal of 158171155567122 is 221765551171851.

It is a super-2 number, since 2×158171155567122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158171155567123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49392738 + ... + 52497474.

It is an arithmetic number, because the mean of its divisors is an integer number (9932798894382).

Almost surely, 2^{158171155567122} is an apocalyptic number.

158171155567122 is an abundant number, since it is smaller than the sum of its proper divisors (159678409053102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

158171155567122 is a wasteful number, since it uses less digits than its factorization.

158171155567122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145194.

The product of its digits is 5880000, while the sum is 57.

The spelling of 158171155567122 in words is "one hundred fifty-eight trillion, one hundred seventy-one billion, one hundred fifty-five million, five hundred sixty-seven thousand, one hundred twenty-two".