6670016667 has 6 divisors (see below), whose sum is σ = 9634468532. Its totient is φ = 4446677772.

The previous prime is 6670016659. The next prime is 6670016693. The reversal of 6670016667 is 7666100766.

It is not a de Polignac number, because 6670016667 - 2³ = 6670016659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6670016627) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370556473 + ... + 370556490.

Almost surely, 2^6670016667 is an apocalyptic number.

6670016667 is a deficient number, since it is larger than the sum of its proper divisors (2964451865).

6670016667 is a wasteful number, since it uses less digits than its factorization.

6670016667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741112969 (or 741112966 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 6670016667 is about 81670.1699949253. The cubic root of 6670016667 is about 1882.3872520739.

The spelling of 6670016667 in words is "six billion, six hundred seventy million, sixteen thousand, six hundred sixty-seven".