6566425242 has 32 divisors (see below), whose sum is σ = 14155919232. Its totient is φ = 2018602944.

The previous prime is 6566425241. The next prime is 6566425259. The reversal of 6566425242 is 2425246656.

It is a junction number, because it is equal to n+sod(n) for n = 6566425194 and 6566425203.

It is not an unprimeable number, because it can be changed into a prime (6566425241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49443 + ... + 124809.

It is an arithmetic number, because the mean of its divisors is an integer number (442372476).

Almost surely, 2^6566425242 is an apocalyptic number.

6566425242 is an abundant number, since it is smaller than the sum of its proper divisors (7589493990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6566425242 is a wasteful number, since it uses less digits than its factorization.

6566425242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76502.

The product of its digits is 691200, while the sum is 42.

The square root of 6566425242 is about 81033.4822280272. The cubic root of 6566425242 is about 1872.5913003291.

The spelling of 6566425242 in words is "six billion, five hundred sixty-six million, four hundred twenty-five thousand, two hundred forty-two".