224455705505661 has 24 divisors (see below), whose sum is σ = 353842517358624. Its totient is φ = 126157773581280.

The previous prime is 224455705505617. The next prime is 224455705505693. The reversal of 224455705505661 is 166505507554422.

It is not a de Polignac number, because 224455705505661 - 2¹⁹ = 224455704981373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224455705504661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12515643175 + ... + 12515661108.

It is an arithmetic number, because the mean of its divisors is an integer number (14743438223276).

Almost surely, 2^{224455705505661} is an apocalyptic number.

224455705505661 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

224455705505661 is a deficient number, since it is larger than the sum of its proper divisors (129386811852963).

224455705505661 is a wasteful number, since it uses less digits than its factorization.

224455705505661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25031304361 (or 25031304354 counting only the distinct ones).

The product of its (nonzero) digits is 50400000, while the sum is 57.

The spelling of 224455705505661 in words is "two hundred twenty-four trillion, four hundred fifty-five billion, seven hundred five million, five hundred five thousand, six hundred sixty-one".