66585533122 has 32 divisors (see below), whose sum is σ = 107935079040. Its totient is φ = 30691818240.

The previous prime is 66585533101. The next prime is 66585533129. The reversal of 66585533122 is 22133558566.

It is a super-2 number, since 2×66585533122² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66585533129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 495747 + ... + 615577.

It is an arithmetic number, because the mean of its divisors is an integer number (3372971220).

Almost surely, 2^66585533122 is an apocalyptic number.

66585533122 is a deficient number, since it is larger than the sum of its proper divisors (41349545918).

66585533122 is a wasteful number, since it uses less digits than its factorization.

66585533122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120186.

The product of its digits is 1296000, while the sum is 46.

The spelling of 66585533122 in words is "sixty-six billion, five hundred eighty-five million, five hundred thirty-three thousand, one hundred twenty-two".