6612667 has 4 divisors (see below), whose sum is σ = 6840720. Its totient is φ = 6384616.

The previous prime is 6612659. The next prime is 6612673. The reversal of 6612667 is 7662166.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6612667 - 2³ = 6612659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6612607) 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, 113983 + ... + 114040.

It is an arithmetic number, because the mean of its divisors is an integer number (1710180).

Almost surely, 2^6612667 is an apocalyptic number.

6612667 is a deficient number, since it is larger than the sum of its proper divisors (228053).

6612667 is a wasteful number, since it uses less digits than its factorization.

6612667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228052.

The product of its digits is 18144, while the sum is 34.

The square root of 6612667 is about 2571.5106455156. The cubic root of 6612667 is about 187.6976712362.

The spelling of 6612667 in words is "six million, six hundred twelve thousand, six hundred sixty-seven".