6671091 has 8 divisors (see below), whose sum is σ = 10165504. Its totient is φ = 3812040.

The previous prime is 6671083. The next prime is 6671099. The reversal of 6671091 is 1901766.

It is an interprime number because it is at equal distance from previous prime (6671083) and next prime (6671099).

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

It is not a de Polignac number, because 6671091 - 2³ = 6671083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6671099) 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, 158815 + ... + 158856.

It is an arithmetic number, because the mean of its divisors is an integer number (1270688).

Almost surely, 2^6671091 is an apocalyptic number.

6671091 is a deficient number, since it is larger than the sum of its proper divisors (3494413).

6671091 is a wasteful number, since it uses less digits than its factorization.

6671091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317681.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 6671091 is about 2582.8455238361. The cubic root of 6671091 is about 188.2488311400.

The spelling of 6671091 in words is "six million, six hundred seventy-one thousand, ninety-one".