6606671 has 4 divisors (see below), whose sum is σ = 6611832. Its totient is φ = 6601512.

The previous prime is 6606653. The next prime is 6606673. The reversal of 6606671 is 1766066.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6606671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6606673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956 + ... + 3758.

It is an arithmetic number, because the mean of its divisors is an integer number (1652958).

Almost surely, 2^6606671 is an apocalyptic number.

6606671 is a deficient number, since it is larger than the sum of its proper divisors (5161).

6606671 is a wasteful number, since it uses less digits than its factorization.

6606671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5160.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 6606671 is about 2570.3445294357. The cubic root of 6606671 is about 187.6409227983.

The spelling of 6606671 in words is "six million, six hundred six thousand, six hundred seventy-one".