666010011 has 16 divisors (see below), whose sum is σ = 937794816. Its totient is φ = 419581536.

The previous prime is 666010001. The next prime is 666010043. The reversal of 666010011 is 110010666.

666010011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 666010011 - 2¹⁵ = 665977243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 666010011.

It is not an unprimeable number, because it can be changed into a prime (666010001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52420 + ... + 63873.

It is an arithmetic number, because the mean of its divisors is an integer number (58612176).

Almost surely, 2^666010011 is an apocalyptic number.

666010011 is a deficient number, since it is larger than the sum of its proper divisors (271784805).

666010011 is a wasteful number, since it uses less digits than its factorization.

666010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116402.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 666010011 is about 25807.1697595843. The cubic root of 666010011 is about 873.2935497323.

Adding to 666010011 its reverse (110010666), we get a palindrome (776020677).

The spelling of 666010011 in words is "six hundred sixty-six million, ten thousand, eleven".