667403367067 has 4 divisors (see below), whose sum is σ = 667406397280. Its totient is φ = 667400336856.

The previous prime is 667403367041. The next prime is 667403367079. The reversal of 667403367067 is 760763304766.

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

It is a cyclic number.

It is not a de Polignac number, because 667403367067 - 2³¹ = 665255883419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667403366999 and 667403367017.

It is not an unprimeable number, because it can be changed into a prime (667403361067) 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, 1156428 + ... + 1634665.

It is an arithmetic number, because the mean of its divisors is an integer number (166851599320).

Almost surely, 2^667403367067 is an apocalyptic number.

667403367067 is a deficient number, since it is larger than the sum of its proper divisors (3030213).

667403367067 is a wasteful number, since it uses less digits than its factorization.

667403367067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030212.

The product of its (nonzero) digits is 16003008, while the sum is 55.

The spelling of 667403367067 in words is "six hundred sixty-seven billion, four hundred three million, three hundred sixty-seven thousand, sixty-seven".