667441412267 has 8 divisors (see below), whose sum is σ = 762812742912. Its totient is φ = 572075721000.

The previous prime is 667441412263. The next prime is 667441412273. The reversal of 667441412267 is 762214144766.

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

It is not a de Polignac number, because 667441412267 - 2² = 667441412263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667441412263) 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 7 ways as a sum of consecutive naturals, for example, 1153109 + ... + 1632342.

It is an arithmetic number, because the mean of its divisors is an integer number (95351592864).

Almost surely, 2^667441412267 is an apocalyptic number.

667441412267 is a deficient number, since it is larger than the sum of its proper divisors (95371330645).

667441412267 is a wasteful number, since it uses less digits than its factorization.

667441412267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2819689.

The product of its digits is 2709504, while the sum is 50.

The spelling of 667441412267 in words is "six hundred sixty-seven billion, four hundred forty-one million, four hundred twelve thousand, two hundred sixty-seven".