521796526968 has 32 divisors (see below), whose sum is σ = 1305315475200. Its totient is φ = 173822287968.

The previous prime is 521796526963. The next prime is 521796526987. The reversal of 521796526968 is 869625697125.

It is a junction number, because it is equal to n+sod(n) for n = 521796526899 and 521796526908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521796526963) 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, 6829198 + ... + 6905181.

It is an arithmetic number, because the mean of its divisors is an integer number (40791108600).

Almost surely, 2^521796526968 is an apocalyptic number.

It is an amenable number.

521796526968 is an abundant number, since it is smaller than the sum of its proper divisors (783518948232).

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

521796526968 is a wasteful number, since it uses less digits than its factorization.

521796526968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13735971 (or 13735967 counting only the distinct ones).

The product of its digits is 97977600, while the sum is 66.

The spelling of 521796526968 in words is "five hundred twenty-one billion, seven hundred ninety-six million, five hundred twenty-six thousand, nine hundred sixty-eight".