506325356771646 has 64 divisors (see below), whose sum is σ = 1032179248742400. Its totient is φ = 165533894697600.

The previous prime is 506325356771579. The next prime is 506325356771653. The reversal of 506325356771646 is 646177653523605.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298432416 + ... + 300124236.

It is an arithmetic number, because the mean of its divisors is an integer number (16127800761600).

Almost surely, 2^{506325356771646} is an apocalyptic number.

506325356771646 is an abundant number, since it is smaller than the sum of its proper divisors (525853891970754).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

506325356771646 is a wasteful number, since it uses less digits than its factorization.

506325356771646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693825.

The product of its (nonzero) digits is 571536000, while the sum is 66.

The spelling of 506325356771646 in words is "five hundred six trillion, three hundred twenty-five billion, three hundred fifty-six million, seven hundred seventy-one thousand, six hundred forty-six".