159797464581888 has 144 divisors (see below), whose sum is σ = 540056246204160. Its totient is φ = 45656418438144.

The previous prime is 159797464581883. The next prime is 159797464581913. The reversal of 159797464581888 is 888185464797951.

159797464581888 is a `hidden beast` number, since 1 + 5 + 9 + 7 + 9 + 7 + 464 + 58 + 18 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 159797464581798 and 159797464581807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159797464581883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1651297770 + ... + 1651394537.

It is an arithmetic number, because the mean of its divisors is an integer number (3750390598640).

Almost surely, 2^{159797464581888} is an apocalyptic number.

159797464581888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

159797464581888 is an abundant number, since it is smaller than the sum of its proper divisors (380258781622272).

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

159797464581888 is an equidigital number, since it uses as much as digits as its factorization.

159797464581888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302692339 (or 3302692319 counting only the distinct ones).

The product of its digits is 39016857600, while the sum is 90.

The spelling of 159797464581888 in words is "one hundred fifty-nine trillion, seven hundred ninety-seven billion, four hundred sixty-four million, five hundred eighty-one thousand, eight hundred eighty-eight".