6671444067 has 20 divisors (see below), whose sum is σ = 10021067056. Its totient is φ = 4423047120.

The previous prime is 6671444051. The next prime is 6671444083. The reversal of 6671444067 is 7604441766.

It is an interprime number because it is at equal distance from previous prime (6671444051) and next prime (6671444083).

It is not a de Polignac number, because 6671444067 - 2⁴ = 6671444051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6671444047) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 212863 + ... + 242184.

Almost surely, 2^6671444067 is an apocalyptic number.

6671444067 is a deficient number, since it is larger than the sum of its proper divisors (3349622989).

6671444067 is a wasteful number, since it uses less digits than its factorization.

6671444067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455240 (or 455231 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 6671444067 is about 81678.9083362406. The cubic root of 6671444067 is about 1882.5215209997.

The spelling of 6671444067 in words is "six billion, six hundred seventy-one million, four hundred forty-four thousand, sixty-seven".