159509816672 has 24 divisors (see below), whose sum is σ = 314068494096. Its totient is φ = 79746389632.

The previous prime is 159509816621. The next prime is 159509816717. The reversal of 159509816672 is 276618905951.

It is a super-2 number, since 2×159509816672² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43613 + ... + 566499.

It is an arithmetic number, because the mean of its divisors is an integer number (13086187254).

Almost surely, 2^159509816672 is an apocalyptic number.

It is an amenable number.

159509816672 is a deficient number, since it is larger than the sum of its proper divisors (154558677424).

159509816672 is an equidigital number, since it uses as much as digits as its factorization.

159509816672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532430 (or 532422 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 59.

The spelling of 159509816672 in words is "one hundred fifty-nine billion, five hundred nine million, eight hundred sixteen thousand, six hundred seventy-two".