6556642175 has 12 divisors (see below), whose sum is σ = 8303221536. Its totient is φ = 5133710400.

The previous prime is 6556642171. The next prime is 6556642207. The reversal of 6556642175 is 5712466556.

It is not a de Polignac number, because 6556642175 - 2² = 6556642171 is a prime.

It is a super-2 number, since 2×6556642175² = 85979113221977461250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556642171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2788886 + ... + 2791235.

It is an arithmetic number, because the mean of its divisors is an integer number (691935128).

Almost surely, 2^6556642175 is an apocalyptic number.

6556642175 is a deficient number, since it is larger than the sum of its proper divisors (1746579361).

6556642175 is a wasteful number, since it uses less digits than its factorization.

6556642175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5580178 (or 5580173 counting only the distinct ones).

The product of its digits is 1512000, while the sum is 47.

The square root of 6556642175 is about 80973.0953774153. The cubic root of 6556642175 is about 1871.6608706076.

The spelling of 6556642175 in words is "six billion, five hundred fifty-six million, six hundred forty-two thousand, one hundred seventy-five".