224130532661 has 4 divisors (see below), whose sum is σ = 256149180192. Its totient is φ = 192111885132.

The previous prime is 224130532657. The next prime is 224130532663. The reversal of 224130532661 is 166235031422.

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, and also an emirpimes, since its reverse is a distinct semiprime: 166235031422 = 2 ⋅83117515711.

It is a cyclic number.

It is not a de Polignac number, because 224130532661 - 2² = 224130532657 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 (224130532663) 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, 16009323755 + ... + 16009323768.

It is an arithmetic number, because the mean of its divisors is an integer number (64037295048).

Almost surely, 2^224130532661 is an apocalyptic number.

It is an amenable number.

224130532661 is a deficient number, since it is larger than the sum of its proper divisors (32018647531).

224130532661 is an equidigital number, since it uses as much as digits as its factorization.

224130532661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32018647530.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 224130532661 in words is "two hundred twenty-four billion, one hundred thirty million, five hundred thirty-two thousand, six hundred sixty-one".