159158666 has 8 divisors (see below), whose sum is σ = 249117984. Its totient is φ = 76119340.

The previous prime is 159158663. The next prime is 159158677. The reversal of 159158666 is 666851951.

159158666 is digitally balanced in base 3, 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.

It is a self number, because there is not a number n which added to its sum of digits gives 159158666.

It is not an unprimeable number, because it can be changed into a prime (159158663) 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 3 ways as a sum of consecutive naturals, for example, 1729940 + ... + 1730031.

It is an arithmetic number, because the mean of its divisors is an integer number (31139748).

Almost surely, 2^159158666 is an apocalyptic number.

159158666 is a deficient number, since it is larger than the sum of its proper divisors (89959318).

159158666 is a wasteful number, since it uses less digits than its factorization.

159158666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3459996.

The product of its digits is 388800, while the sum is 47.

The square root of 159158666 is about 12615.8101602711. The cubic root of 159158666 is about 541.9302956342.

The spelling of 159158666 in words is "one hundred fifty-nine million, one hundred fifty-eight thousand, six hundred sixty-six".