6616245 has 16 divisors (see below), whose sum is σ = 10644480. Its totient is φ = 3509184.

The previous prime is 6616231. The next prime is 6616271. The reversal of 6616245 is 5426166.

It is not a de Polignac number, because 6616245 - 2⁷ = 6616117 is a prime.

6616245 is a lucky number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1836 + ... + 4074.

It is an arithmetic number, because the mean of its divisors is an integer number (665280).

Almost surely, 2^6616245 is an apocalyptic number.

It is an amenable number.

6616245 is a deficient number, since it is larger than the sum of its proper divisors (4028235).

6616245 is a wasteful number, since it uses less digits than its factorization.

6616245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444.

The product of its digits is 8640, while the sum is 30.

The square root of 6616245 is about 2572.2062514503. The cubic root of 6616245 is about 187.7315184559.

The spelling of 6616245 in words is "six million, six hundred sixteen thousand, two hundred forty-five".