6605601667 has 8 divisors (see below), whose sum is σ = 7594465536. Its totient is φ = 5628039432.

The previous prime is 6605601647. The next prime is 6605601671. The reversal of 6605601667 is 7661065066.

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

It is a cyclic number.

It is not a de Polignac number, because 6605601667 - 2¹¹ = 6605599619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6605601637) 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, 2824153 + ... + 2826490.

It is an arithmetic number, because the mean of its divisors is an integer number (949308192).

Almost surely, 2^6605601667 is an apocalyptic number.

6605601667 is a deficient number, since it is larger than the sum of its proper divisors (988863869).

6605601667 is a wasteful number, since it uses less digits than its factorization.

6605601667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650817.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 6605601667 is about 81274.8526113705. The cubic root of 6605601667 is about 1876.3079861434.

The spelling of 6605601667 in words is "six billion, six hundred five million, six hundred one thousand, six hundred sixty-seven".