6670666667 has 8 divisors (see below), whose sum is σ = 7809561312. Its totient is φ = 5578257600.

The previous prime is 6670666649. The next prime is 6670666687. The reversal of 6670666667 is 7666660766.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6670666667 - 2⁶ = 6670666603 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6670666687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11621084 + ... + 11621657.

It is an arithmetic number, because the mean of its divisors is an integer number (976195164).

Almost surely, 2^6670666667 is an apocalyptic number.

6670666667 is a deficient number, since it is larger than the sum of its proper divisors (1138894645).

6670666667 is a wasteful number, since it uses less digits than its factorization.

6670666667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23242789.

The product of its (nonzero) digits is 13716864, while the sum is 56.

The square root of 6670666667 is about 81674.1493191083. The cubic root of 6670666667 is about 1882.4483969472.

The spelling of 6670666667 in words is "six billion, six hundred seventy million, six hundred sixty-six thousand, six hundred sixty-seven".