6669355 has 32 divisors (see below), whose sum is σ = 10575360. Its totient is φ = 3909120.

The previous prime is 6669349. The next prime is 6669367. The reversal of 6669355 is 5539666.

It is a de Polignac number, because none of the positive numbers 2^k-6669355 is a prime.

It is a super-2 number, since 2×6669355² = 88960592232050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6036 + ... + 7054.

It is an arithmetic number, because the mean of its divisors is an integer number (330480).

Almost surely, 2^6669355 is an apocalyptic number.

6669355 is a deficient number, since it is larger than the sum of its proper divisors (3906005).

6669355 is a wasteful number, since it uses less digits than its factorization.

6669355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059.

The product of its digits is 145800, while the sum is 40.

The square root of 6669355 is about 2582.5094385113. The cubic root of 6669355 is about 188.2325005617.

The spelling of 6669355 in words is "six million, six hundred sixty-nine thousand, three hundred fifty-five".