528136643456 has 16 divisors (see below), whose sum is σ = 1052147219640. Its totient is φ = 264068321664.

The previous prime is 528136643449. The next prime is 528136643479. The reversal of 528136643456 is 654346631825.

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 528136643398 and 528136643407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2063033636 + ... + 2063033891.

Almost surely, 2^528136643456 is an apocalyptic number.

It is an amenable number.

528136643456 is a deficient number, since it is larger than the sum of its proper divisors (524010576184).

528136643456 is an equidigital number, since it uses as much as digits as its factorization.

528136643456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4126067541 (or 4126067529 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 53.

The spelling of 528136643456 in words is "five hundred twenty-eight billion, one hundred thirty-six million, six hundred forty-three thousand, four hundred fifty-six".