6666260 has 24 divisors (see below), whose sum is σ = 14099400. Its totient is φ = 2647424.

The previous prime is 6666241. The next prime is 6666269. The reversal of 6666260 is 626666.

It can be written as a sum of positive squares in 4 ways, for example, as 446224 + 6220036 = 668^2 + 2494^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1862 + ... + 4098.

It is an arithmetic number, because the mean of its divisors is an integer number (587475).

Almost surely, 2^6666260 is an apocalyptic number.

It is an amenable number.

6666260 is an abundant number, since it is smaller than the sum of its proper divisors (7433140).

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

6666260 is a wasteful number, since it uses less digits than its factorization.

6666260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395 (or 2393 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 6666260 is about 2581.9101456093. The cubic root of 6666260 is about 188.2033788185.

The spelling of 6666260 in words is "six million, six hundred sixty-six thousand, two hundred sixty".