667043801107 has 4 divisors (see below), whose sum is σ = 690045311520. Its totient is φ = 644042290696.

The previous prime is 667043801093. The next prime is 667043801129. The reversal of 667043801107 is 701108340766.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 701108340766 = 2 ⋅350554170383.

It is a cyclic number.

It is not a de Polignac number, because 667043801107 - 2⁷ = 667043800979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (667043801807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11500755163 + ... + 11500755220.

It is an arithmetic number, because the mean of its divisors is an integer number (172511327880).

Almost surely, 2^667043801107 is an apocalyptic number.

667043801107 is a deficient number, since it is larger than the sum of its proper divisors (23001510413).

667043801107 is a wasteful number, since it uses less digits than its factorization.

667043801107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23001510412.

The product of its (nonzero) digits is 169344, while the sum is 43.

The spelling of 667043801107 in words is "six hundred sixty-seven billion, forty-three million, eight hundred one thousand, one hundred seven".