159168145089 has 8 divisors (see below), whose sum is σ = 215821213920. Its totient is φ = 104313586496.

The previous prime is 159168145061. The next prime is 159168145109. The reversal of 159168145089 is 980541861951.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159168145089 is a prime.

It is a super-2 number, since 2×159168145089² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (159168135089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 449627352 + ... + 449627705.

It is an arithmetic number, because the mean of its divisors is an integer number (26977651740).

Almost surely, 2^159168145089 is an apocalyptic number.

It is an amenable number.

159168145089 is a deficient number, since it is larger than the sum of its proper divisors (56653068831).

159168145089 is an equidigital number, since it uses as much as digits as its factorization.

159168145089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899255119.

The product of its (nonzero) digits is 3110400, while the sum is 57.

The spelling of 159168145089 in words is "one hundred fifty-nine billion, one hundred sixty-eight million, one hundred forty-five thousand, eighty-nine".