220466614663 has 4 divisors (see below), whose sum is σ = 220497660288. Its totient is φ = 220435569040.

The previous prime is 220466614651. The next prime is 220466614721. The reversal of 220466614663 is 366416664022.

It is a happy number.

220466614663 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 a de Polignac number, because none of the positive numbers 2^k-220466614663 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 (220466614163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15512158 + ... + 15526363.

It is an arithmetic number, because the mean of its divisors is an integer number (55124415072).

Almost surely, 2^220466614663 is an apocalyptic number.

220466614663 is a deficient number, since it is larger than the sum of its proper divisors (31045625).

220466614663 is an equidigital number, since it uses as much as digits as its factorization.

220466614663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31045624.

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 220466614663 in words is "two hundred twenty billion, four hundred sixty-six million, six hundred fourteen thousand, six hundred sixty-three".