6616066 has 16 divisors (see below), whose sum is σ = 10692000. Its totient is φ = 3060288.

The previous prime is 6616033. The next prime is 6616069. The reversal of 6616066 is 6606166.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616069) 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, 391 + ... + 3658.

It is an arithmetic number, because the mean of its divisors is an integer number (668250).

Almost surely, 2^6616066 is an apocalyptic number.

6616066 is a deficient number, since it is larger than the sum of its proper divisors (4075934).

6616066 is a wasteful number, since it uses less digits than its factorization.

6616066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4113.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 6616066 is about 2572.1714561825. The cubic root of 6616066 is about 187.7298254389.

The spelling of 6616066 in words is "six million, six hundred sixteen thousand, sixty-six".