666210341063 has 4 divisors (see below), whose sum is σ = 666390840648. Its totient is φ = 666029841480.

The previous prime is 666210341051. The next prime is 666210341089. The reversal of 666210341063 is 360143012666.

666210341063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 666210341063 - 2¹⁰ = 666210340039 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 (666210341033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90244256 + ... + 90251637.

It is an arithmetic number, because the mean of its divisors is an integer number (166597710162).

Almost surely, 2^666210341063 is an apocalyptic number.

666210341063 is a deficient number, since it is larger than the sum of its proper divisors (180499585).

666210341063 is a wasteful number, since it uses less digits than its factorization.

666210341063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180499584.

The product of its (nonzero) digits is 93312, while the sum is 38.

The spelling of 666210341063 in words is "six hundred sixty-six billion, two hundred ten million, three hundred forty-one thousand, sixty-three".