6616166 has 4 divisors (see below), whose sum is σ = 9924252. Its totient is φ = 3308082.

The previous prime is 6616163. The next prime is 6616189.

6616166 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6616163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1654040 + ... + 1654043.

It is an arithmetic number, because the mean of its divisors is an integer number (2481063).

Almost surely, 2^6616166 is an apocalyptic number.

6616166 is a deficient number, since it is larger than the sum of its proper divisors (3308086).

6616166 is a wasteful number, since it uses less digits than its factorization.

6616166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3308085.

The product of its digits is 7776, while the sum is 32.

The square root of 6616166 is about 2572.1908949376. The cubic root of 6616166 is about 187.7307712622.

The spelling of 6616166 in words is "six million, six hundred sixteen thousand, one hundred sixty-six".