6690266 has 16 divisors (see below), whose sum is σ = 11244960. Its totient is φ = 2958480.

The previous prime is 6690251. The next prime is 6690269. The reversal of 6690266 is 6620966.

It is not an unprimeable number, because it can be changed into a prime (6690269) 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, 3296 + ... + 4923.

It is an arithmetic number, because the mean of its divisors is an integer number (702810).

Almost surely, 2^6690266 is an apocalyptic number.

6690266 is a deficient number, since it is larger than the sum of its proper divisors (4554694).

6690266 is a wasteful number, since it uses less digits than its factorization.

6690266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8269.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 6690266 is about 2586.5548515351. The cubic root of 6690266 is about 188.4290224747.

The spelling of 6690266 in words is "six million, six hundred ninety thousand, two hundred sixty-six".