158841916973 has 4 divisors (see below), whose sum is σ = 158846919420. Its totient is φ = 158836914528.

The previous prime is 158841916957. The next prime is 158841916991. The reversal of 158841916973 is 379619148851.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 379619148851 = 1489 ⋅254949059.

It can be written as a sum of positive squares in 2 ways, for example, as 129724589929 + 29117327044 = 360173^2 + 170638^2 .

It is a cyclic number.

It is not a de Polignac number, because 158841916973 - 2⁴ = 158841916957 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 (158841916073) 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 3 ways as a sum of consecutive naturals, for example, 2453288 + ... + 2517201.

It is an arithmetic number, because the mean of its divisors is an integer number (39711729855).

Almost surely, 2^158841916973 is an apocalyptic number.

It is an amenable number.

158841916973 is a deficient number, since it is larger than the sum of its proper divisors (5002447).

158841916973 is an equidigital number, since it uses as much as digits as its factorization.

158841916973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5002446.

The product of its digits is 13063680, while the sum is 62.

The spelling of 158841916973 in words is "one hundred fifty-eight billion, eight hundred forty-one million, nine hundred sixteen thousand, nine hundred seventy-three".