159721486848 has 600 divisors, whose sum is σ = 598994849376. Its totient is φ = 41476976640.

The previous prime is 159721486819. The next prime is 159721486849. The reversal of 159721486848 is 848684127951.

159721486848 is a `hidden beast` number, since 1 + 5 + 9 + 72 + 1 + 486 + 84 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (159721486849) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 35124511 + ... + 35129057.

Almost surely, 2^159721486848 is an apocalyptic number.

159721486848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159721486848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299497424688).

159721486848 is an abundant number, since it is smaller than the sum of its proper divisors (439273362528).

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

159721486848 is an equidigital number, since it uses as much as digits as its factorization.

159721486848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606 (or 4570 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 63.

The spelling of 159721486848 in words is "one hundred fifty-nine billion, seven hundred twenty-one million, four hundred eighty-six thousand, eight hundred forty-eight".