666110053 has 4 divisors (see below), whose sum is σ = 761268640. Its totient is φ = 570951468.

The previous prime is 666110041. The next prime is 666110089. The reversal of 666110053 is 350011666.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 666110053 - 2⁹ = 666109541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (666110353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47579283 + ... + 47579296.

It is an arithmetic number, because the mean of its divisors is an integer number (190317160).

Almost surely, 2^666110053 is an apocalyptic number.

It is an amenable number.

666110053 is a deficient number, since it is larger than the sum of its proper divisors (95158587).

666110053 is an equidigital number, since it uses as much as digits as its factorization.

666110053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95158586.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 666110053 is about 25809.1079466145. The cubic root of 666110053 is about 873.3372736292.

The spelling of 666110053 in words is "six hundred sixty-six million, one hundred ten thousand, fifty-three".