531666000452 has 24 divisors (see below), whose sum is σ = 936190317216. Its totient is φ = 264183285888.

The previous prime is 531666000443. The next prime is 531666000491. The reversal of 531666000452 is 254000666135.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15387548 + ... + 15422060.

It is an arithmetic number, because the mean of its divisors is an integer number (39007929884).

Almost surely, 2^531666000452 is an apocalyptic number.

It is an amenable number.

531666000452 is a deficient number, since it is larger than the sum of its proper divisors (404524316764).

531666000452 is a wasteful number, since it uses less digits than its factorization.

531666000452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58307 (or 58305 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 531666000452 its reverse (254000666135), we get a palindrome (785666666587).

The spelling of 531666000452 in words is "five hundred thirty-one billion, six hundred sixty-six million, four hundred fifty-two", and thus it is an aban number.