158336640009 has 6 divisors (see below), whose sum is σ = 228708480026. Its totient is φ = 105557760000.

The previous prime is 158336639987. The next prime is 158336640047. The reversal of 158336640009 is 900046633851.

158336640009 is a `hidden beast` number, since 1 + 583 + 3 + 6 + 64 + 0 + 0 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 114009548409 + 44327091600 = 337653^2 + 210540^2 .

It is not a de Polignac number, because 158336640009 - 2⁹ = 158336639497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (158336640109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8796479992 + ... + 8796480009.

Almost surely, 2^158336640009 is an apocalyptic number.

It is an amenable number.

158336640009 is a deficient number, since it is larger than the sum of its proper divisors (70371840017).

158336640009 is a wasteful number, since it uses less digits than its factorization.

158336640009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17592960007 (or 17592960004 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 158336640009 in words is "one hundred fifty-eight billion, three hundred thirty-six million, six hundred forty thousand, nine".