6606005 has 16 divisors (see below), whose sum is σ = 9120384. Its totient is φ = 4499520.

The previous prime is 6605987. The next prime is 6606011. The reversal of 6606005 is 5006066.

6606005 = T₉₃₁ + T₉₃₂ + ... + T₉₄₅.

It is a happy number.

It is not a de Polignac number, because 6606005 - 2⁶ = 6605941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5510 + ... + 6600.

It is an arithmetic number, because the mean of its divisors is an integer number (570024).

Almost surely, 2^6606005 is an apocalyptic number.

It is an amenable number.

6606005 is a deficient number, since it is larger than the sum of its proper divisors (2514379).

6606005 is a wasteful number, since it uses less digits than its factorization.

6606005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 6606005 is about 2570.2149715539. The cubic root of 6606005 is about 187.6346174011.

The spelling of 6606005 in words is "six million, six hundred six thousand, five".