159646413934559 has 4 divisors (see below), whose sum is σ = 168048856773240. Its totient is φ = 151243971095880.

The previous prime is 159646413934519. The next prime is 159646413934699. The reversal of 159646413934559 is 955439314646951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 159646413934559 - 2⁸ = 159646413934303 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 (159646413934519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4201221419312 + ... + 4201221419349.

It is an arithmetic number, because the mean of its divisors is an integer number (42012214193310).

Almost surely, 2^{159646413934559} is an apocalyptic number.

159646413934559 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

159646413934559 is a deficient number, since it is larger than the sum of its proper divisors (8402442838681).

159646413934559 is an equidigital number, since it uses as much as digits as its factorization.

159646413934559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8402442838680.

The product of its digits is 1889568000, while the sum is 74.

The spelling of 159646413934559 in words is "one hundred fifty-nine trillion, six hundred forty-six billion, four hundred thirteen million, nine hundred thirty-four thousand, five hundred fifty-nine".