8266505826530 has 64 divisors (see below), whose sum is σ = 17422693505280. Its totient is φ = 2764699084800.

The previous prime is 8266505826517. The next prime is 8266505826599. The reversal of 8266505826530 is 356285056628.

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, 19771181 + ... + 20184959.

It is an arithmetic number, because the mean of its divisors is an integer number (272229586020).

Almost surely, 2^{8266505826530} is an apocalyptic number.

8266505826530 is an abundant number, since it is smaller than the sum of its proper divisors (9156187678750).

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

8266505826530 is a wasteful number, since it uses less digits than its factorization.

8266505826530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420795.

The product of its (nonzero) digits is 20736000, while the sum is 56.

The spelling of 8266505826530 in words is "eight trillion, two hundred sixty-six billion, five hundred five million, eight hundred twenty-six thousand, five hundred thirty".