6551066 has 8 divisors (see below), whose sum is σ = 9898740. Its totient is φ = 3251488.

The previous prime is 6551063. The next prime is 6551081. The reversal of 6551066 is 6601556.

It can be written as a sum of positive squares in 2 ways, for example, as 6225025 + 326041 = 2495^2 + 571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6551063) 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 3 ways as a sum of consecutive naturals, for example, 11681 + ... + 12228.

Almost surely, 2^6551066 is an apocalyptic number.

6551066 is a deficient number, since it is larger than the sum of its proper divisors (3347674).

6551066 is a wasteful number, since it uses less digits than its factorization.

6551066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24048.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 6551066 is about 2559.5050302744. The cubic root of 6551066 is about 187.1130127973.

The spelling of 6551066 in words is "six million, five hundred fifty-one thousand, sixty-six".