667067336767 has 16 divisors (see below), whose sum is σ = 718984082880. Its totient is φ = 615237138432.

The previous prime is 667067336759. The next prime is 667067336863. The reversal of 667067336767 is 767633760766.

It is a cyclic number.

It is not a de Polignac number, because 667067336767 - 2³ = 667067336759 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 667067336699 and 667067336708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667067331767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118629118 + ... + 118634740.

It is an arithmetic number, because the mean of its divisors is an integer number (44936505180).

Almost surely, 2^667067336767 is an apocalyptic number.

667067336767 is a deficient number, since it is larger than the sum of its proper divisors (51916746113).

667067336767 is a wasteful number, since it uses less digits than its factorization.

667067336767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11682.

The product of its (nonzero) digits is 168031584, while the sum is 64.

The spelling of 667067336767 in words is "six hundred sixty-seven billion, sixty-seven million, three hundred thirty-six thousand, seven hundred sixty-seven".