6660255 has 32 divisors (see below), whose sum is σ = 12294144. Its totient is φ = 3015936.

The previous prime is 6660239. The next prime is 6660287. The reversal of 6660255 is 5520666.

It is not a de Polignac number, because 6660255 - 2⁴ = 6660239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14154 + ... + 14616.

It is an arithmetic number, because the mean of its divisors is an integer number (384192).

Almost surely, 2^6660255 is an apocalyptic number.

6660255 is a deficient number, since it is larger than the sum of its proper divisors (5633889).

6660255 is a wasteful number, since it uses less digits than its factorization.

6660255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 6660255 is about 2580.7469848864. The cubic root of 6660255 is about 188.1468503297.

The spelling of 6660255 in words is "six million, six hundred sixty thousand, two hundred fifty-five".