6258488666 has 16 divisors (see below), whose sum is σ = 9760762440. Its totient is φ = 3005997120.

The previous prime is 6258488629. The next prime is 6258488699. The reversal of 6258488666 is 6668848526.

It can be written as a sum of positive squares in 4 ways, for example, as 5956598041 + 301890625 = 77179^2 + 17375^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 262445 + ... + 285296.

Almost surely, 2^6258488666 is an apocalyptic number.

6258488666 is a deficient number, since it is larger than the sum of its proper divisors (3502273774).

6258488666 is a wasteful number, since it uses less digits than its factorization.

6258488666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547969.

The product of its digits is 26542080, while the sum is 59.

The square root of 6258488666 is about 79110.6103250379. The cubic root of 6258488666 is about 1842.8493057370.

The spelling of 6258488666 in words is "six billion, two hundred fifty-eight million, four hundred eighty-eight thousand, six hundred sixty-six".