530533426066661 has 4 divisors (see below), whose sum is σ = 530533484358924. Its totient is φ = 530533367774400.

The previous prime is 530533426066621. The next prime is 530533426066711. The reversal of 530533426066661 is 166660624335035.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 118495960792225 + 412037465274436 = 10885585^2 + 20298706^2 .

It is a cyclic number.

It is not a de Polignac number, because 530533426066661 - 2⁶ = 530533426066597 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 530533426066597 and 530533426066606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530533426066621) 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, 12216260 + ... + 34789421.

It is an arithmetic number, because the mean of its divisors is an integer number (132633371089731).

Almost surely, 2^{530533426066661} is an apocalyptic number.

It is an amenable number.

530533426066661 is a deficient number, since it is larger than the sum of its proper divisors (58292263).

530533426066661 is a wasteful number, since it uses less digits than its factorization.

530533426066661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58292262.

The product of its (nonzero) digits is 41990400, while the sum is 56.

The spelling of 530533426066661 in words is "five hundred thirty trillion, five hundred thirty-three billion, four hundred twenty-six million, sixty-six thousand, six hundred sixty-one".