6616105 has 4 divisors (see below), whose sum is σ = 7939332. Its totient is φ = 5292880.

The previous prime is 6616087. The next prime is 6616117. The reversal of 6616105 is 5016166.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5016166 = 2 ⋅2508083.

It can be written as a sum of positive squares in 2 ways, for example, as 1098304 + 5517801 = 1048^2 + 2349^2 .

It is not a de Polignac number, because 6616105 - 2⁵ = 6616073 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6616105.

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 3 ways as a sum of consecutive naturals, for example, 661606 + ... + 661615.

It is an arithmetic number, because the mean of its divisors is an integer number (1984833).

Almost surely, 2^6616105 is an apocalyptic number.

It is an amenable number.

6616105 is a deficient number, since it is larger than the sum of its proper divisors (1323227).

6616105 is a wasteful number, since it uses less digits than its factorization.

6616105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323226.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 6616105 is about 2572.1790373145. The cubic root of 6616105 is about 187.7301943111.

The spelling of 6616105 in words is "six million, six hundred sixteen thousand, one hundred five".