66882142322 has 54 divisors (see below), whose sum is σ = 110438676621. Its totient is φ = 30370883520.

The previous prime is 66882142321. The next prime is 66882142361. The reversal of 66882142322 is 22324128866.

It can be written as a sum of positive squares in 2 ways, for example, as 61212202921 + 5669939401 = 247411^2 + 75299^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=182869.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66882142321) 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 26 ways as a sum of consecutive naturals, for example, 192743753 + ... + 192744099.

Almost surely, 2^66882142322 is an apocalyptic number.

66882142322 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

66882142322 is a deficient number, since it is larger than the sum of its proper divisors (43556534299).

66882142322 is an equidigital number, since it uses as much as digits as its factorization.

66882142322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 397 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The spelling of 66882142322 in words is "sixty-six billion, eight hundred eighty-two million, one hundred forty-two thousand, three hundred twenty-two".