159979680 has 288 divisors, whose sum is σ = 636854400. Its totient is φ = 35813376.

The previous prime is 159979679. The next prime is 159979711. The reversal of 159979680 is 86979951.

It is a tau number, because it is divible by the number of its divisors (288).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 594586 + ... + 594854.

It is an arithmetic number, because the mean of its divisors is an integer number (2211300).

Almost surely, 2^159979680 is an apocalyptic number.

159979680 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 159979680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318427200).

159979680 is an abundant number, since it is smaller than the sum of its proper divisors (476874720).

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

159979680 is a wasteful number, since it uses less digits than its factorization.

159979680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356 (or 345 counting only the distinct ones).

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

The square root of 159979680 is about 12648.3073966440. The cubic root of 159979680 is about 542.8605402769.

The spelling of 159979680 in words is "one hundred fifty-nine million, nine hundred seventy-nine thousand, six hundred eighty".