159236668087 has 8 divisors (see below), whose sum is σ = 181987271456. Its totient is φ = 136486691712.

The previous prime is 159236668069. The next prime is 159236668117. The reversal of 159236668087 is 780866632951.

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

It is not a de Polignac number, because 159236668087 - 2¹⁹ = 159236143799 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 (159236669087) 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, 698803 + ... + 898219.

It is an arithmetic number, because the mean of its divisors is an integer number (22748408932).

Almost surely, 2^159236668087 is an apocalyptic number.

159236668087 is a deficient number, since it is larger than the sum of its proper divisors (22750603369).

159236668087 is a wasteful number, since it uses less digits than its factorization.

159236668087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313497.

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 159236668087 in words is "one hundred fifty-nine billion, two hundred thirty-six million, six hundred sixty-eight thousand, eighty-seven".