667038067 has 8 divisors (see below), whose sum is σ = 693585792. Its totient is φ = 640804800.

The previous prime is 667038041. The next prime is 667038079. The reversal of 667038067 is 760830766.

667038067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 667038067 - 2⁷ = 667037939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667038007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74284 + ... + 82777.

It is an arithmetic number, because the mean of its divisors is an integer number (86698224).

Almost surely, 2^667038067 is an apocalyptic number.

667038067 is a deficient number, since it is larger than the sum of its proper divisors (26547725).

667038067 is a wasteful number, since it uses less digits than its factorization.

667038067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157229.

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 667038067 is about 25827.0801098382. The cubic root of 667038067 is about 873.7426586585.

The spelling of 667038067 in words is "six hundred sixty-seven million, thirty-eight thousand, sixty-seven".