159219591168 has 192 divisors, whose sum is σ = 490314202560. Its totient is φ = 45409894400.

The previous prime is 159219591161. The next prime is 159219591169. The reversal of 159219591168 is 861195912951.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (159219591161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1079638 + ... + 1218218.

It is an arithmetic number, because the mean of its divisors is an integer number (2553719805).

Almost surely, 2^159219591168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159219591168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245157101280).

159219591168 is an abundant number, since it is smaller than the sum of its proper divisors (331094611392).

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

159219591168 is a wasteful number, since it uses less digits than its factorization.

159219591168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138634 (or 138614 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 57.

The spelling of 159219591168 in words is "one hundred fifty-nine billion, two hundred nineteen million, five hundred ninety-one thousand, one hundred sixty-eight".