159043866 has 8 divisors (see below), whose sum is σ = 318087744. Its totient is φ = 53014620.

The previous prime is 159043861. The next prime is 159043867. The reversal of 159043866 is 668340951.

159043866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

159043866 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (159043861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13253650 + ... + 13253661.

It is an arithmetic number, because the mean of its divisors is an integer number (39760968).

Almost surely, 2^159043866 is an apocalyptic number.

159043866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

159043866 is a wasteful number, since it uses less digits than its factorization.

159043866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26507316.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 159043866 is about 12611.2594930086. The cubic root of 159043866 is about 541.7999674873.

The spelling of 159043866 in words is "one hundred fifty-nine million, forty-three thousand, eight hundred sixty-six".