6206842666 has 8 divisors (see below), whose sum is σ = 9437802084. Its totient is φ = 3060908640.

The previous prime is 6206842627. The next prime is 6206842669. The reversal of 6206842666 is 6662486026.

It can be written as a sum of positive squares in 2 ways, for example, as 5942097225 + 264745441 = 77085^2 + 16271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6206842669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21256165 + ... + 21256456.

Almost surely, 2^6206842666 is an apocalyptic number.

6206842666 is a deficient number, since it is larger than the sum of its proper divisors (3230959418).

6206842666 is a wasteful number, since it uses less digits than its factorization.

6206842666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42512696.

The product of its (nonzero) digits is 995328, while the sum is 46.

The square root of 6206842666 is about 78783.5177305507. The cubic root of 6206842666 is about 1837.7661400863.

The spelling of 6206842666 in words is "six billion, two hundred six million, eight hundred forty-two thousand, six hundred sixty-six".