159826860 has 144 divisors (see below), whose sum is σ = 540540000. Its totient is φ = 37988352.

The previous prime is 159826819. The next prime is 159826867. The reversal of 159826860 is 68628951.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (159826867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56766 + ... + 59514.

It is an arithmetic number, because the mean of its divisors is an integer number (3753750).

Almost surely, 2^159826860 is an apocalyptic number.

159826860 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 159826860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270270000).

159826860 is an abundant number, since it is smaller than the sum of its proper divisors (380713140).

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

159826860 is a wasteful number, since it uses less digits than its factorization.

159826860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 159826860 is about 12642.2648287401. The cubic root of 159826860 is about 542.6876300307.

The spelling of 159826860 in words is "one hundred fifty-nine million, eight hundred twenty-six thousand, eight hundred sixty".