666082011 has 8 divisors (see below), whose sum is σ = 1014982144. Its totient is φ = 380618280.

The previous prime is 666082009. The next prime is 666082013. The reversal of 666082011 is 110280666.

It is an interprime number because it is at equal distance from previous prime (666082009) and next prime (666082013).

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

It is not a de Polignac number, because 666082011 - 2¹ = 666082009 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 666082011.

It is not an unprimeable number, because it can be changed into a prime (666082013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15859075 + ... + 15859116.

It is an arithmetic number, because the mean of its divisors is an integer number (126872768).

Almost surely, 2^666082011 is an apocalyptic number.

666082011 is a deficient number, since it is larger than the sum of its proper divisors (348900133).

666082011 is a wasteful number, since it uses less digits than its factorization.

666082011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31718201.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 666082011 is about 25808.5646830660. The cubic root of 666082011 is about 873.3250181631.

The spelling of 666082011 in words is "six hundred sixty-six million, eighty-two thousand, eleven".