66468285522 has 24 divisors (see below), whose sum is σ = 144225501264. Its totient is φ = 22123651704.

The previous prime is 66468285491. The next prime is 66468285551. The reversal of 66468285522 is 22558286466.

66468285522 is a `hidden beast` number, since 6 + 6 + 4 + 6 + 82 + 8 + 552 + 2 = 666.

It is a super-2 number, since 2×66468285522² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2690988 + ... + 2715575.

It is an arithmetic number, because the mean of its divisors is an integer number (6009395886).

Almost surely, 2^66468285522 is an apocalyptic number.

66468285522 is an abundant number, since it is smaller than the sum of its proper divisors (77757215742).

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

66468285522 is a wasteful number, since it uses less digits than its factorization.

66468285522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5407254 (or 5407251 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 66468285522 in words is "sixty-six billion, four hundred sixty-eight million, two hundred eighty-five thousand, five hundred twenty-two".