667071159 has 8 divisors (see below), whose sum is σ = 889553280. Its totient is φ = 444651576.

The previous prime is 667071151. The next prime is 667071161. The reversal of 667071159 is 951170766.

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

It is not a de Polignac number, because 667071159 - 2³ = 667071151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 667071159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667071151) 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 7 ways as a sum of consecutive naturals, for example, 22654 + ... + 42980.

It is an arithmetic number, because the mean of its divisors is an integer number (111194160).

Almost surely, 2^667071159 is an apocalyptic number.

667071159 is a deficient number, since it is larger than the sum of its proper divisors (222482121).

667071159 is a wasteful number, since it uses less digits than its factorization.

667071159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31269.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 667071159 is about 25827.7207472901. The cubic root of 667071159 is about 873.7571073161.

The spelling of 667071159 in words is "six hundred sixty-seven million, seventy-one thousand, one hundred fifty-nine".