6661848 has 16 divisors (see below), whose sum is σ = 16654680. Its totient is φ = 2220608.

The previous prime is 6661783. The next prime is 6661849. The reversal of 6661848 is 8481666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6661849) 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, 138765 + ... + 138812.

Almost surely, 2^6661848 is an apocalyptic number.

It is an amenable number.

6661848 is an abundant number, since it is smaller than the sum of its proper divisors (9992832).

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

6661848 is a wasteful number, since it uses less digits than its factorization.

6661848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277586 (or 277582 counting only the distinct ones).

The product of its digits is 55296, while the sum is 39.

The square root of 6661848 is about 2581.0555980064. The cubic root of 6661848 is about 188.1618494572.

It can be divided in two parts, 66618 and 48, that added together give a palindrome (66666).

The spelling of 6661848 in words is "six million, six hundred sixty-one thousand, eight hundred forty-eight".