662224066561 has 8 divisors (see below), whose sum is σ = 669794308200. Its totient is φ = 654656703360.

The previous prime is 662224066499. The next prime is 662224066591. The reversal of 662224066561 is 165660422266.

It can be written as a sum of positive squares in 4 ways, for example, as 9400465936 + 652823600625 = 96956^2 + 807975^2 .

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 662224066561 - 2²⁵ = 662190512129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662224066591) 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, 255150 + ... + 1178791.

It is an arithmetic number, because the mean of its divisors is an integer number (83724288525).

Almost surely, 2^662224066561 is an apocalyptic number.

It is an amenable number.

662224066561 is a deficient number, since it is larger than the sum of its proper divisors (7570241639).

662224066561 is a wasteful number, since it uses less digits than its factorization.

662224066561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439219.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 662224066561 in words is "six hundred sixty-two billion, two hundred twenty-four million, sixty-six thousand, five hundred sixty-one".