58006666 has 8 divisors (see below), whose sum is σ = 87074244. Its totient is φ = 28981920.

The previous prime is 58006661. The next prime is 58006681. The reversal of 58006666 is 66660085.

58006666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41024025 + 16982641 = 6405^2 + 4121^2 .

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

58006666 is a modest number, since divided by 6666 gives 5800 as remainder.

It is not an unprimeable number, because it can be changed into a prime (58006661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7075 + ... + 12886.

Almost surely, 2^58006666 is an apocalyptic number.

58006666 is a deficient number, since it is larger than the sum of its proper divisors (29067578).

58006666 is a wasteful number, since it uses less digits than its factorization.

58006666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21416.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 58006666 is about 7616.2107376306. The cubic root of 58006666 is about 387.1024929566.

The spelling of 58006666 in words is "fifty-eight million, six thousand, six hundred sixty-six".