6662646 has 12 divisors (see below), whose sum is σ = 14435772. Its totient is φ = 2220876.

The previous prime is 6662641. The next prime is 6662651. The reversal of 6662646 is 6462666.

It is an interprime number because it is at equal distance from previous prime (6662641) and next prime (6662651).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6662646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185056 + ... + 185091.

It is an arithmetic number, because the mean of its divisors is an integer number (1202981).

Almost surely, 2^6662646 is an apocalyptic number.

6662646 is an abundant number, since it is smaller than the sum of its proper divisors (7773126).

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

6662646 is a wasteful number, since it uses less digits than its factorization.

6662646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370155 (or 370152 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 6662646 is about 2581.2101812909. The cubic root of 6662646 is about 188.1693622454.

The spelling of 6662646 in words is "six million, six hundred sixty-two thousand, six hundred forty-six".