159671680 has 128 divisors (see below), whose sum is σ = 451656000. Its totient is φ = 52813824.

The previous prime is 159671647. The next prime is 159671683. The reversal of 159671680 is 86176951.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159671683) 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, 129306 + ... + 130534.

Almost surely, 2^159671680 is an apocalyptic number.

159671680 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 159671680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225828000).

159671680 is an abundant number, since it is smaller than the sum of its proper divisors (291984320).

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

159671680 is a wasteful number, since it uses less digits than its factorization.

159671680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 159671680 is about 12636.1259886090. The cubic root of 159671680 is about 542.5119367078.

The spelling of 159671680 in words is "one hundred fifty-nine million, six hundred seventy-one thousand, six hundred eighty".