6661468 has 12 divisors (see below), whose sum is σ = 12717432. Its totient is φ = 3027920.

The previous prime is 6661441. The next prime is 6661477. The reversal of 6661468 is 8641666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75655 + ... + 75742.

It is an arithmetic number, because the mean of its divisors is an integer number (1059786).

Almost surely, 2^6661468 is an apocalyptic number.

It is an amenable number.

6661468 is a deficient number, since it is larger than the sum of its proper divisors (6055964).

6661468 is a wasteful number, since it uses less digits than its factorization.

6661468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151412 (or 151410 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 6661468 is about 2580.9819836644. The cubic root of 6661468 is about 188.1582717281.

The spelling of 6661468 in words is "six million, six hundred sixty-one thousand, four hundred sixty-eight".