224362645600661 has 4 divisors (see below), whose sum is σ = 224374508499372. Its totient is φ = 224350782701952.

The previous prime is 224362645600637. The next prime is 224362645600673. The reversal of 224362645600661 is 166006546263422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 142585331628100 + 81777313972561 = 11940910^2 + 9043081^2 .

It is a cyclic number.

It is not a de Polignac number, because 224362645600661 - 2²² = 224362641406357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224362645600601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5931420986 + ... + 5931458811.

It is an arithmetic number, because the mean of its divisors is an integer number (56093627124843).

Almost surely, 2^{224362645600661} is an apocalyptic number.

It is an amenable number.

224362645600661 is a deficient number, since it is larger than the sum of its proper divisors (11862898711).

224362645600661 is a wasteful number, since it uses less digits than its factorization.

224362645600661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11862898710.

The product of its (nonzero) digits is 14929920, while the sum is 53.

The spelling of 224362645600661 in words is "two hundred twenty-four trillion, three hundred sixty-two billion, six hundred forty-five million, six hundred thousand, six hundred sixty-one".