667289506234 has 8 divisors (see below), whose sum is σ = 1077929202420. Its totient is φ = 307979772096.

The previous prime is 667289506231. The next prime is 667289506297. The reversal of 667289506234 is 432605982766.

It can be written as a sum of positive squares in 2 ways, for example, as 576076446009 + 91213060225 = 758997^2 + 302015^2 .

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

It is not an unprimeable number, because it can be changed into a prime (667289506231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12832490479 + ... + 12832490530.

Almost surely, 2^667289506234 is an apocalyptic number.

667289506234 is a deficient number, since it is larger than the sum of its proper divisors (410639696186).

667289506234 is a wasteful number, since it uses less digits than its factorization.

667289506234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25664981024.

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 667289506234 in words is "six hundred sixty-seven billion, two hundred eighty-nine million, five hundred six thousand, two hundred thirty-four".