666012286 has 16 divisors (see below), whose sum is σ = 1006311600. Its totient is φ = 330581248.

The previous prime is 666012283. The next prime is 666012287. The reversal of 666012286 is 682210666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666012283) 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, 351630 + ... + 353518.

It is an arithmetic number, because the mean of its divisors is an integer number (62894475).

Almost surely, 2^666012286 is an apocalyptic number.

666012286 is a deficient number, since it is larger than the sum of its proper divisors (340299314).

666012286 is a wasteful number, since it uses less digits than its factorization.

666012286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3083.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 666012286 is about 25807.2138364450. The cubic root of 666012286 is about 873.2945440820.

The spelling of 666012286 in words is "six hundred sixty-six million, twelve thousand, two hundred eighty-six".