58666 has 4 divisors (see below), whose sum is σ = 88002.
Its totient is φ = 29332.
The previous prime is 58661. The next prime is 58679. The reversal of 58666 is 66685.
58666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66685 = 5 ⋅13337.
It can be written as a sum of positive squares in only one way, i.e., 42025 + 16641 = 205^2 + 129^2
58666 is a modest number, since divided by 666 gives 58 as remainder.
It is not an unprimeable number, because it can be changed into a prime (58661) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14665 + ... + 14668.
258666 is an apocalyptic number.
58666 is a deficient number, since it is larger than the sum of its proper divisors (29336).
58666 is a wasteful number, since it uses less digits than its factorization.
58666 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29335.
The product of its digits is 8640, while the sum is 31.
The square root of 58666 is about 242.2106521192.
The cubic root of 58666 is about 38.8563640374.
The spelling of 58666 in words is "fifty-eight thousand, six hundred sixty-six".