159863540 has 12 divisors (see below), whose sum is σ = 335713476. Its totient is φ = 63945408.

The previous prime is 159863537. The next prime is 159863567. The reversal of 159863540 is 45368951.

159863540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 107039716 + 52823824 = 10346^2 + 7268^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3996569 + ... + 3996608.

It is an arithmetic number, because the mean of its divisors is an integer number (27976123).

Almost surely, 2^159863540 is an apocalyptic number.

159863540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159863540 is an abundant number, since it is smaller than the sum of its proper divisors (175849936).

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

159863540 is a wasteful number, since it uses less digits than its factorization.

159863540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7993186 (or 7993184 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 159863540 is about 12643.7154349503. The cubic root of 159863540 is about 542.7291421597.

The spelling of 159863540 in words is "one hundred fifty-nine million, eight hundred sixty-three thousand, five hundred forty".