666611110347 has 32 divisors (see below), whose sum is σ = 1093971314688. Its totient is φ = 351604457856.

The previous prime is 666611110331. The next prime is 666611110349. The reversal of 666611110347 is 743011116666.

It is not a de Polignac number, because 666611110347 - 2⁴ = 666611110331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 666611110299 and 666611110308.

It is not an unprimeable number, because it can be changed into a prime (666611110349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10753413 + ... + 10815225.

It is an arithmetic number, because the mean of its divisors is an integer number (34186603584).

Almost surely, 2^666611110347 is an apocalyptic number.

666611110347 is a deficient number, since it is larger than the sum of its proper divisors (427360204341).

666611110347 is a wasteful number, since it uses less digits than its factorization.

666611110347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101339.

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 666611110347 in words is "six hundred sixty-six billion, six hundred eleven million, one hundred ten thousand, three hundred forty-seven".