6671081 has 4 divisors (see below), whose sum is σ = 6961152. Its totient is φ = 6381012.

The previous prime is 6671059. The next prime is 6671083. The reversal of 6671081 is 1801766.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6671081 - 2⁶ = 6671017 is a prime.

It is a super-2 number, since 2×6671081² = 89006643417122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6671083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145001 + ... + 145046.

It is an arithmetic number, because the mean of its divisors is an integer number (1740288).

Almost surely, 2^6671081 is an apocalyptic number.

It is an amenable number.

6671081 is a deficient number, since it is larger than the sum of its proper divisors (290071).

6671081 is a wasteful number, since it uses less digits than its factorization.

6671081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290070.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 6671081 is about 2582.8435879859. The cubic root of 6671081 is about 188.2487370780.

The spelling of 6671081 in words is "six million, six hundred seventy-one thousand, eighty-one".