6661148 has 12 divisors (see below), whose sum is σ = 12553800. Its totient is φ = 3074352.

The previous prime is 6661141. The next prime is 6661157. The reversal of 6661148 is 8411666.

It is a happy number.

6661148 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6661141) 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, 63998 + ... + 64101.

It is an arithmetic number, because the mean of its divisors is an integer number (1046150).

Almost surely, 2^6661148 is an apocalyptic number.

It is an amenable number.

6661148 is a deficient number, since it is larger than the sum of its proper divisors (5892652).

6661148 is a wasteful number, since it uses less digits than its factorization.

6661148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128116 (or 128114 counting only the distinct ones).

The product of its digits is 6912, while the sum is 32.

The square root of 6661148 is about 2580.9199910110. The cubic root of 6661148 is about 188.1552587980.

The spelling of 6661148 in words is "six million, six hundred sixty-one thousand, one hundred forty-eight".