6666836067 has 6 divisors (see below), whose sum is σ = 9629874332. Its totient is φ = 4444557372.

The previous prime is 6666836063. The next prime is 6666836131. The reversal of 6666836067 is 7606386666.

It is a happy number.

It is not a de Polignac number, because 6666836067 - 2² = 6666836063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6666836063) 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 5 ways as a sum of consecutive naturals, for example, 370379773 + ... + 370379790.

Almost surely, 2^6666836067 is an apocalyptic number.

6666836067 is a deficient number, since it is larger than the sum of its proper divisors (2963038265).

6666836067 is a wasteful number, since it uses less digits than its factorization.

6666836067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740759569 (or 740759566 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The square root of 6666836067 is about 81650.6954471301. The cubic root of 6666836067 is about 1882.0879988087.

The spelling of 6666836067 in words is "six billion, six hundred sixty-six million, eight hundred thirty-six thousand, sixty-seven".