6607668 has 48 divisors (see below), whose sum is σ = 16493120. Its totient is φ = 2052864.

The previous prime is 6607663. The next prime is 6607673. The reversal of 6607668 is 8667066.

It is an interprime number because it is at equal distance from previous prime (6607663) and next prime (6607673).

It is a super-2 number, since 2×6607668² = 87322552796448, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6607663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16446 + ... + 16842.

Almost surely, 2^6607668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6607668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8246560).

6607668 is an abundant number, since it is smaller than the sum of its proper divisors (9885452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6607668 is a wasteful number, since it uses less digits than its factorization.

6607668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 494 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 6607668 is about 2570.5384649913. The cubic root of 6607668 is about 187.6503611670.

The spelling of 6607668 in words is "six million, six hundred seven thousand, six hundred sixty-eight".