6666667007 has 48 divisors (see below), whose sum is σ = 9061097472. Its totient is φ = 4736672640.

The previous prime is 6666666997. The next prime is 6666667043. The reversal of 6666667007 is 7007666666.

It is not a de Polignac number, because 6666667007 - 2⁴ = 6666666991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666667097) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29111969 + ... + 29112197.

It is an arithmetic number, because the mean of its divisors is an integer number (188772864).

Almost surely, 2^6666667007 is an apocalyptic number.

6666667007 is a deficient number, since it is larger than the sum of its proper divisors (2394430465).

6666667007 is a wasteful number, since it uses less digits than its factorization.

6666667007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 50.

The square root of 6666667007 is about 81649.6601768801. The cubic root of 6666667007 is about 1882.0720897886.

The spelling of 6666667007 in words is "six billion, six hundred sixty-six million, six hundred sixty-seven thousand, seven".