159546801655 has 4 divisors (see below), whose sum is σ = 191456161992. Its totient is φ = 127637441320.

The previous prime is 159546801637. The next prime is 159546801721. The reversal of 159546801655 is 556108645951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556108645951 = 41 ⋅13563625511.

It is a de Polignac number, because none of the positive numbers 2^k-159546801655 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159546801596 and 159546801605.

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, 15954680161 + ... + 15954680170.

It is an arithmetic number, because the mean of its divisors is an integer number (47864040498).

Almost surely, 2^159546801655 is an apocalyptic number.

159546801655 is a deficient number, since it is larger than the sum of its proper divisors (31909360337).

159546801655 is an equidigital number, since it uses as much as digits as its factorization.

159546801655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31909360336.

The product of its (nonzero) digits is 6480000, while the sum is 55.

The spelling of 159546801655 in words is "one hundred fifty-nine billion, five hundred forty-six million, eight hundred one thousand, six hundred fifty-five".