6617667 has 8 divisors (see below), whose sum is σ = 10084096. Its totient is φ = 3781512.

The previous prime is 6617627. The next prime is 6617693. The reversal of 6617667 is 7667166.

6617667 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 6617667 - 2⁶ = 6617603 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (6617627) 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, 157543 + ... + 157584.

It is an arithmetic number, because the mean of its divisors is an integer number (1260512).

Almost surely, 2^6617667 is an apocalyptic number.

6617667 is a deficient number, since it is larger than the sum of its proper divisors (3466429).

6617667 is a wasteful number, since it uses less digits than its factorization.

6617667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315137.

The product of its digits is 63504, while the sum is 39.

The square root of 6617667 is about 2572.4826530027. The cubic root of 6617667 is about 187.7449669248.

The spelling of 6617667 in words is "six million, six hundred seventeen thousand, six hundred sixty-seven".