8225486505666 has 16 divisors (see below), whose sum is σ = 18278858901600. Its totient is φ = 2741828835204.

The previous prime is 8225486505661. The next prime is 8225486505667. The reversal of 8225486505666 is 6665056845228.

It is not an unprimeable number, because it can be changed into a prime (8225486505661) 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, 76161912036 + ... + 76161912143.

It is an arithmetic number, because the mean of its divisors is an integer number (1142428681350).

Almost surely, 2^{8225486505666} is an apocalyptic number.

8225486505666 is an abundant number, since it is smaller than the sum of its proper divisors (10053372395934).

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

8225486505666 is a wasteful number, since it uses less digits than its factorization.

8225486505666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152323824190 (or 152323824184 counting only the distinct ones).

The product of its (nonzero) digits is 165888000, while the sum is 63.

The spelling of 8225486505666 in words is "eight trillion, two hundred twenty-five billion, four hundred eighty-six million, five hundred five thousand, six hundred sixty-six".