666528058 has 16 divisors (see below), whose sum is σ = 1144480320. Its totient is φ = 285189696.

The previous prime is 666528019. The next prime is 666528059. The reversal of 666528058 is 850825666.

It is a super-3 number, since 3×666528058³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 666527999 and 666528017.

It is not an unprimeable number, because it can be changed into a prime (666528059) by changing a digit.

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, 29791 + ... + 47122.

It is an arithmetic number, because the mean of its divisors is an integer number (71530020).

Almost surely, 2^666528058 is an apocalyptic number.

666528058 is a deficient number, since it is larger than the sum of its proper divisors (477952262).

666528058 is a wasteful number, since it uses less digits than its factorization.

666528058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77541.

The product of its (nonzero) digits is 691200, while the sum is 46.

The square root of 666528058 is about 25817.2046898962. The cubic root of 666528058 is about 873.5199176282.

The spelling of 666528058 in words is "six hundred sixty-six million, five hundred twenty-eight thousand, fifty-eight".