666114211 has 8 divisors (see below), whose sum is σ = 761994080. Its totient is φ = 570414528.

The previous prime is 666114203. The next prime is 666114223. The reversal of 666114211 is 112411666.

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

It is a cyclic number.

It is not a de Polignac number, because 666114211 - 2³ = 666114203 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 666114211.

It is not an unprimeable number, because it can be changed into a prime (666114011) 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, 37026 + ... + 51991.

It is an arithmetic number, because the mean of its divisors is an integer number (95249260).

Almost surely, 2^666114211 is an apocalyptic number.

666114211 is a deficient number, since it is larger than the sum of its proper divisors (95879869).

666114211 is a wasteful number, since it uses less digits than its factorization.

666114211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90093.

The product of its digits is 1728, while the sum is 28.

The square root of 666114211 is about 25809.1884994472. The cubic root of 666114211 is about 873.3390908108.

Adding to 666114211 its reverse (112411666), we get a palindrome (778525877).

The spelling of 666114211 in words is "six hundred sixty-six million, one hundred fourteen thousand, two hundred eleven".