159842197256 has 64 divisors (see below), whose sum is σ = 366657408000. Its totient is φ = 63798338880.

The previous prime is 159842197223. The next prime is 159842197259. The reversal of 159842197256 is 652791248951.

159842197256 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 (59).

It is a junction number, because it is equal to n+sod(n) for n = 159842197195 and 159842197204.

It is not an unprimeable number, because it can be changed into a prime (159842197259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1210340 + ... + 1335891.

It is an arithmetic number, because the mean of its divisors is an integer number (5729022000).

Almost surely, 2^159842197256 is an apocalyptic number.

It is an amenable number.

159842197256 is an abundant number, since it is smaller than the sum of its proper divisors (206815210744).

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

159842197256 is a wasteful number, since it uses less digits than its factorization.

159842197256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2546322 (or 2546318 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 59.

The spelling of 159842197256 in words is "one hundred fifty-nine billion, eight hundred forty-two million, one hundred ninety-seven thousand, two hundred fifty-six".