667667833275 has 24 divisors (see below), whose sum is σ = 1133712015664. Its totient is φ = 346465468800.

The previous prime is 667667833253. The next prime is 667667833279. The reversal of 667667833275 is 572338766766.

It is a de Polignac number, because none of the positive numbers 2^k-667667833275 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667667833279) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 120297736 + ... + 120303285.

Almost surely, 2^667667833275 is an apocalyptic number.

667667833275 is a deficient number, since it is larger than the sum of its proper divisors (466044182389).

667667833275 is a wasteful number, since it uses less digits than its factorization.

667667833275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240601071 (or 240601066 counting only the distinct ones).

The product of its digits is 320060160, while the sum is 66.

The spelling of 667667833275 in words is "six hundred sixty-seven billion, six hundred sixty-seven million, eight hundred thirty-three thousand, two hundred seventy-five".