168128019159 has 16 divisors (see below), whose sum is σ = 236325457920. Its totient is φ = 106161821280.

The previous prime is 168128019151. The next prime is 168128019229. The reversal of 168128019159 is 951910821861.

It is not a de Polignac number, because 168128019159 - 2³ = 168128019151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168128019151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19227844 + ... + 19236585.

It is an arithmetic number, because the mean of its divisors is an integer number (14770341120).

Almost surely, 2^168128019159 is an apocalyptic number.

168128019159 is a deficient number, since it is larger than the sum of its proper divisors (68197438761).

168128019159 is a wasteful number, since it uses less digits than its factorization.

168128019159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38464510.

The product of its (nonzero) digits is 311040, while the sum is 51.

The spelling of 168128019159 in words is "one hundred sixty-eight billion, one hundred twenty-eight million, nineteen thousand, one hundred fifty-nine".