506258427656 has 16 divisors (see below), whose sum is σ = 959020476540. Its totient is φ = 250519633920.

The previous prime is 506258427617. The next prime is 506258427667. The reversal of 506258427656 is 656724852605.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 486040431556 + 20217996100 = 697166^2 + 142190^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326196665 + ... + 326198216.

Almost surely, 2^506258427656 is an apocalyptic number.

It is an amenable number.

506258427656 is a deficient number, since it is larger than the sum of its proper divisors (452762048884).

506258427656 is a wasteful number, since it uses less digits than its factorization.

506258427656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652394984 (or 652394980 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 56.

The spelling of 506258427656 in words is "five hundred six billion, two hundred fifty-eight million, four hundred twenty-seven thousand, six hundred fifty-six".