531166610424613 has 8 divisors (see below), whose sum is σ = 532844049483000. Its totient is φ = 529489182905280.

The previous prime is 531166610424553. The next prime is 531166610424631. The reversal of 531166610424613 is 316424016661135.

It can be written as a sum of positive squares in 4 ways, for example, as 39049088651329 + 492117521773284 = 6248927^2 + 22183722^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 531166610424613 - 2⁴⁵ = 495982238335781 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 (531166619424613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94508203 + ... + 99970663.

It is an arithmetic number, because the mean of its divisors is an integer number (66605506185375).

Almost surely, 2^{531166610424613} is an apocalyptic number.

It is an amenable number.

531166610424613 is a deficient number, since it is larger than the sum of its proper divisors (1677439058387).

531166610424613 is a wasteful number, since it uses less digits than its factorization.

531166610424613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5769527.

The product of its (nonzero) digits is 1866240, while the sum is 49.

The spelling of 531166610424613 in words is "five hundred thirty-one trillion, one hundred sixty-six billion, six hundred ten million, four hundred twenty-four thousand, six hundred thirteen".