6556165 has 16 divisors (see below), whose sum is σ = 9809280. Its totient is φ = 4086720.

The previous prime is 6556111. The next prime is 6556201. The reversal of 6556165 is 5616556.

It is not a de Polignac number, because 6556165 - 2⁷ = 6556037 is a prime.

6556165 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6556165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8130 + ... + 8899.

It is an arithmetic number, because the mean of its divisors is an integer number (613080).

Almost surely, 2^6556165 is an apocalyptic number.

It is an amenable number.

6556165 is a deficient number, since it is larger than the sum of its proper divisors (3253115).

6556165 is a wasteful number, since it uses less digits than its factorization.

6556165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17052.

The product of its digits is 27000, while the sum is 34.

The square root of 6556165 is about 2560.5009275530. The cubic root of 6556165 is about 187.1615464671.

It can be divided in two parts, 655616 and 5, that multiplied together give a triangular number (3278080 = T₂₅₆₀).

The spelling of 6556165 in words is "six million, five hundred fifty-six thousand, one hundred sixty-five".