159197808 has 160 divisors (see below), whose sum is σ = 539965440. Its totient is φ = 39156480.

The previous prime is 159197807. The next prime is 159197837. The reversal of 159197808 is 808791951.

159197808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159197807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 69091 + ... + 71357.

It is an arithmetic number, because the mean of its divisors is an integer number (3374784).

Almost surely, 2^159197808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 159197808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269982720).

159197808 is an abundant number, since it is smaller than the sum of its proper divisors (380767632).

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

159197808 is a wasteful number, since it uses less digits than its factorization.

159197808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315 (or 2309 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 48.

The square root of 159197808 is about 12617.3613723314. The cubic root of 159197808 is about 541.9747177561.

It can be divided in two parts, 1591 and 97808, that added together give a palindrome (99399).

The spelling of 159197808 in words is "one hundred fifty-nine million, one hundred ninety-seven thousand, eight hundred eight".