224699066661 has 4 divisors (see below), whose sum is σ = 299598755552. Its totient is φ = 149799377772.

The previous prime is 224699066587. The next prime is 224699066723. The reversal of 224699066661 is 166660996422.

It is a happy number.

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 not a de Polignac number, because 224699066661 - 2¹⁷ = 224698935589 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 (224699066161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37449844441 + ... + 37449844446.

It is an arithmetic number, because the mean of its divisors is an integer number (74899688888).

Almost surely, 2^224699066661 is an apocalyptic number.

It is an amenable number.

224699066661 is a deficient number, since it is larger than the sum of its proper divisors (74899688891).

224699066661 is an equidigital number, since it uses as much as digits as its factorization.

224699066661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74899688890.

The product of its (nonzero) digits is 10077696, while the sum is 57.

The spelling of 224699066661 in words is "two hundred twenty-four billion, six hundred ninety-nine million, sixty-six thousand, six hundred sixty-one".