66058279 has 8 divisors (see below), whose sum is σ = 75593088. Its totient is φ = 56547960.

The previous prime is 66058273. The next prime is 66058297. The reversal of 66058279 is 97285066.

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

It is not a de Polignac number, because 66058279 - 2⁵ = 66058247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66058273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84 + ... + 11494.

It is an arithmetic number, because the mean of its divisors is an integer number (9449136).

Almost surely, 2^66058279 is an apocalyptic number.

66058279 is a deficient number, since it is larger than the sum of its proper divisors (9534809).

66058279 is a wasteful number, since it uses less digits than its factorization.

66058279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12245.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 66058279 is about 8127.6244376817. The cubic root of 66058279 is about 404.2429162737.

It can be divided in two parts, 6605 and 8279, that added together give a square (14884 = 122²).

The spelling of 66058279 in words is "sixty-six million, fifty-eight thousand, two hundred seventy-nine".