159989760 has 360 divisors, whose sum is σ = 654291456. Its totient is φ = 35389440.

The previous prime is 159989743. The next prime is 159989779. The reversal of 159989760 is 67989951.

It is a tau number, because it is divible by the number of its divisors (360).

It is a junction number, because it is equal to n+sod(n) for n = 159989697 and 159989706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5160945 + ... + 5160975.

Almost surely, 2^159989760 is an apocalyptic number.

159989760 is a gapful number since it is divisible by the number (10) 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 159989760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327145728).

159989760 is an abundant number, since it is smaller than the sum of its proper divisors (494301696).

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

159989760 is an equidigital number, since it uses as much as digits as its factorization.

159989760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 159989760 is about 12648.7058626565. The cubic root of 159989760 is about 542.8719415567.

The spelling of 159989760 in words is "one hundred fifty-nine million, nine hundred eighty-nine thousand, seven hundred sixty".