158312956189 has 8 divisors (see below), whose sum is σ = 159239639160. Its totient is φ = 157386406656.

The previous prime is 158312956187. The next prime is 158312956201. The reversal of 158312956189 is 981659213851.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2175756025 + 156137200164 = 46645^2 + 395142^2 .

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 158312956189 - 2¹ = 158312956187 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 (158312956183) 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, 3335577 + ... + 3382705.

It is an arithmetic number, because the mean of its divisors is an integer number (19904954895).

Almost surely, 2^158312956189 is an apocalyptic number.

It is an amenable number.

158312956189 is a deficient number, since it is larger than the sum of its proper divisors (926682971).

158312956189 is a wasteful number, since it uses less digits than its factorization.

158312956189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66719.

The product of its digits is 4665600, while the sum is 58.

The spelling of 158312956189 in words is "one hundred fifty-eight billion, three hundred twelve million, nine hundred fifty-six thousand, one hundred eighty-nine".