159836868 has 48 divisors (see below), whose sum is σ = 427768320. Its totient is φ = 51559200.

The previous prime is 159836863. The next prime is 159836879. The reversal of 159836868 is 868638951.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (159836861) 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 15 ways as a sum of consecutive naturals, for example, 20523 + ... + 27218.

It is an arithmetic number, because the mean of its divisors is an integer number (8911840).

Almost surely, 2^159836868 is an apocalyptic number.

159836868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

159836868 is an abundant number, since it is smaller than the sum of its proper divisors (267931452).

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

159836868 is a wasteful number, since it uses less digits than its factorization.

159836868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47785 (or 47777 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 54.

The square root of 159836868 is about 12642.6606376981. The cubic root of 159836868 is about 542.6989570890.

The spelling of 159836868 in words is "one hundred fifty-nine million, eight hundred thirty-six thousand, eight hundred sixty-eight".