6255666 has 24 divisors (see below), whose sum is σ = 13622544. Its totient is φ = 2074680.

The previous prime is 6255661. The next prime is 6255671. The reversal of 6255666 is 6665526.

It is an interprime number because it is at equal distance from previous prime (6255661) and next prime (6255671).

It is a self number, because there is not a number n which added to its sum of digits gives 6255666.

It is not an unprimeable number, because it can be changed into a prime (6255661) 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, 3321 + ... + 4851.

It is an arithmetic number, because the mean of its divisors is an integer number (567606).

Almost surely, 2^6255666 is an apocalyptic number.

6255666 is an abundant number, since it is smaller than the sum of its proper divisors (7366878).

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

6255666 is a wasteful number, since it uses less digits than its factorization.

6255666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766 (or 1763 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 6255666 is about 2501.1329432879. The cubic root of 6255666 is about 184.2572213797.

The spelling of 6255666 in words is "six million, two hundred fifty-five thousand, six hundred sixty-six".