6667206159 has 4 divisors (see below), whose sum is σ = 8889608216. Its totient is φ = 4444804104.

The previous prime is 6667206109. The next prime is 6667206193. The reversal of 6667206159 is 9516027666.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 6667206159 - 2⁸ = 6667205903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6667206109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1111201024 + ... + 1111201029.

It is an arithmetic number, because the mean of its divisors is an integer number (2222402054).

Almost surely, 2^6667206159 is an apocalyptic number.

6667206159 is a deficient number, since it is larger than the sum of its proper divisors (2222402057).

6667206159 is a wasteful number, since it uses less digits than its factorization.

6667206159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222402056.

The product of its (nonzero) digits is 816480, while the sum is 48.

The square root of 6667206159 is about 81652.9617282803. The cubic root of 6667206159 is about 1882.1228245650.

The spelling of 6667206159 in words is "six billion, six hundred sixty-seven million, two hundred six thousand, one hundred fifty-nine".