159561110016 has 720 divisors, whose sum is σ = 618926948640. Its totient is φ = 38996213760.

The previous prime is 159561109997. The next prime is 159561110057. The reversal of 159561110016 is 610011165951.

It is a happy number.

159561110016 is a `hidden beast` number, since 1 + 595 + 61 + 1 + 1 + 0 + 0 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 42221215 + ... + 42224993.

It is an arithmetic number, because the mean of its divisors is an integer number (859620762).

Almost surely, 2^159561110016 is an apocalyptic number.

159561110016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159561110016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309463474320).

159561110016 is an abundant number, since it is smaller than the sum of its proper divisors (459365838624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

159561110016 is a wasteful number, since it uses less digits than its factorization.

159561110016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3845 (or 3819 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 36.

Adding to 159561110016 its reverse (610011165951), we get a palindrome (769572275967).

The spelling of 159561110016 in words is "one hundred fifty-nine billion, five hundred sixty-one million, one hundred ten thousand, sixteen".