159545328768018 has 96 divisors (see below), whose sum is σ = 350765112730032. Its totient is φ = 52404931584000.

The previous prime is 159545328767999. The next prime is 159545328768019. The reversal of 159545328768018 is 810867823545951.

It is a happy number.

159545328768018 is a `hidden beast` number, since 1 + 5 + 9 + 5 + 4 + 532 + 8 + 7 + 6 + 80 + 1 + 8 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 124635275576289 + 34910053191729 = 11164017^2 + 5908473^2 .

It is not an unprimeable number, because it can be changed into a prime (159545328768019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 391202248 + ... + 391609868.

It is a 1-persistent number, because it is pandigital, but 2⋅159545328768018 = 319090657536036 is not.

Almost surely, 2^{159545328768018} is an apocalyptic number.

159545328768018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

159545328768018 is an abundant number, since it is smaller than the sum of its proper divisors (191219783962014).

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

159545328768018 is a wasteful number, since it uses less digits than its factorization.

159545328768018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408700 (or 408697 counting only the distinct ones).

The product of its (nonzero) digits is 580608000, while the sum is 72.

The spelling of 159545328768018 in words is "one hundred fifty-nine trillion, five hundred forty-five billion, three hundred twenty-eight million, seven hundred sixty-eight thousand, eighteen".