159238966 has 8 divisors (see below), whose sum is σ = 252909000. Its totient is φ = 74935968.

The previous prime is 159238951. The next prime is 159238969. The reversal of 159238966 is 669832951.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159238969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2341716 + ... + 2341783.

It is an arithmetic number, because the mean of its divisors is an integer number (31613625).

Almost surely, 2^159238966 is an apocalyptic number.

159238966 is a deficient number, since it is larger than the sum of its proper divisors (93670034).

159238966 is a wasteful number, since it uses less digits than its factorization.

159238966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4683518.

The product of its digits is 699840, while the sum is 49.

The square root of 159238966 is about 12618.9922735534. The cubic root of 159238966 is about 542.0214199765.

The spelling of 159238966 in words is "one hundred fifty-nine million, two hundred thirty-eight thousand, nine hundred sixty-six".