6665200 has 60 divisors (see below), whose sum is σ = 16875160. Its totient is φ = 2522880.

The previous prime is 6665179. The next prime is 6665201. The reversal of 6665200 is 25666.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7162 + ... + 8038.

Almost surely, 2^6665200 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6665200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8437580).

6665200 is an abundant number, since it is smaller than the sum of its proper divisors (10209960).

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

6665200 is a wasteful number, since it uses less digits than its factorization.

6665200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 6665200 is about 2581.7048630701. The cubic root of 6665200 is about 188.1934029022.

The spelling of 6665200 in words is "six million, six hundred sixty-five thousand, two hundred".