667060234289 has 4 divisors (see below), whose sum is σ = 667062865140. Its totient is φ = 667057603440.

The previous prime is 667060234271. The next prime is 667060234303. The reversal of 667060234289 is 982432060766.

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

It can be written as a sum of positive squares in 2 ways, for example, as 523934211889 + 143126022400 = 723833^2 + 378320^2 .

It is a cyclic number.

It is not a de Polignac number, because 667060234289 - 2²⁸ = 666791798833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 667060234289.

It is not an unprimeable number, because it can be changed into a prime (667060236289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 889022 + ... + 1457559.

It is an arithmetic number, because the mean of its divisors is an integer number (166765716285).

Almost surely, 2^667060234289 is an apocalyptic number.

It is an amenable number.

667060234289 is a deficient number, since it is larger than the sum of its proper divisors (2630851).

667060234289 is a wasteful number, since it uses less digits than its factorization.

667060234289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630850.

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 667060234289 in words is "six hundred sixty-seven billion, sixty million, two hundred thirty-four thousand, two hundred eighty-nine".