159363820 has 48 divisors (see below), whose sum is σ = 417247488. Its totient is φ = 49671360.

The previous prime is 159363751. The next prime is 159363821. The reversal of 159363820 is 28363951.

159363820 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 159363820.

It is not an unprimeable number, because it can be changed into a prime (159363821) 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, 50202 + ... + 53281.

It is an arithmetic number, because the mean of its divisors is an integer number (8692656).

Almost surely, 2^159363820 is an apocalyptic number.

159363820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

159363820 is an abundant number, since it is smaller than the sum of its proper divisors (257883668).

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

159363820 is a wasteful number, since it uses less digits than its factorization.

159363820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103510 (or 103508 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 159363820 is about 12623.9383712057. The cubic root of 159363820 is about 542.1630433177.

The spelling of 159363820 in words is "one hundred fifty-nine million, three hundred sixty-three thousand, eight hundred twenty".