159594394651 has 8 divisors (see below), whose sum is σ = 163501102800. Its totient is φ = 155688360960.

The previous prime is 159594394637. The next prime is 159594394691. The reversal of 159594394651 is 156493495951.

It is a happy number.

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 159594394651 - 2¹⁹ = 159593870363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159594394651.

It is not an unprimeable number, because it can be changed into a prime (159594394691) 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, 328120 + ... + 653338.

It is an arithmetic number, because the mean of its divisors is an integer number (20437637850).

Almost surely, 2^159594394651 is an apocalyptic number.

159594394651 is a deficient number, since it is larger than the sum of its proper divisors (3906708149).

159594394651 is a wasteful number, since it uses less digits than its factorization.

159594394651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337229.

The product of its digits is 26244000, while the sum is 61.

The spelling of 159594394651 in words is "one hundred fifty-nine billion, five hundred ninety-four million, three hundred ninety-four thousand, six hundred fifty-one".