158158160729 has 8 divisors (see below), whose sum is σ = 158491105920. Its totient is φ = 157825290016.

The previous prime is 158158160717. The next prime is 158158160777. The reversal of 158158160729 is 927061851851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 158158160729 - 2²⁰ = 158157112153 is a prime.

It is a super-2 number, since 2×158158160729² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (158158166729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6817652 + ... + 6840810.

It is an arithmetic number, because the mean of its divisors is an integer number (19811388240).

Almost surely, 2^158158160729 is an apocalyptic number.

It is an amenable number.

158158160729 is a deficient number, since it is larger than the sum of its proper divisors (332945191).

158158160729 is a wasteful number, since it uses less digits than its factorization.

158158160729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37239.

The product of its (nonzero) digits is 1209600, while the sum is 53.

The spelling of 158158160729 in words is "one hundred fifty-eight billion, one hundred fifty-eight million, one hundred sixty thousand, seven hundred twenty-nine".