6661828848 has 20 divisors (see below), whose sum is σ = 17209724648. Its totient is φ = 2220609600.

The previous prime is 6661828843. The next prime is 6661828853. The reversal of 6661828848 is 8488281666.

It is an interprime number because it is at equal distance from previous prime (6661828843) and next prime (6661828853).

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 (6661828843) 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, 69394003 + ... + 69394098.

Almost surely, 2^6661828848 is an apocalyptic number.

It is an amenable number.

6661828848 is an abundant number, since it is smaller than the sum of its proper divisors (10547895800).

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

6661828848 is a wasteful number, since it uses less digits than its factorization.

6661828848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138788112 (or 138788106 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 57.

The square root of 6661828848 is about 81620.0272482189. The cubic root of 6661828848 is about 1881.6166914286.

The spelling of 6661828848 in words is "six billion, six hundred sixty-one million, eight hundred twenty-eight thousand, eight hundred forty-eight".