575647525661 has 8 divisors (see below), whose sum is σ = 620033313144. Its totient is φ = 531276768000.

The previous prime is 575647525643. The next prime is 575647525699. The reversal of 575647525661 is 166525746575.

It can be written as a sum of positive squares in 4 ways, for example, as 7027468900 + 568620056761 = 83830^2 + 754069^2 .

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 575647525661 - 2¹⁰ = 575647524637 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 575647525661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (575647525361) 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, 3677840 + ... + 3831161.

It is an arithmetic number, because the mean of its divisors is an integer number (77504164143).

Almost surely, 2^575647525661 is an apocalyptic number.

It is an amenable number.

575647525661 is a deficient number, since it is larger than the sum of its proper divisors (44385787483).

575647525661 is a wasteful number, since it uses less digits than its factorization.

575647525661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7514911.

The product of its digits is 52920000, while the sum is 59.

The spelling of 575647525661 in words is "five hundred seventy-five billion, six hundred forty-seven million, five hundred twenty-five thousand, six hundred sixty-one".