66882441378 has 64 divisors (see below), whose sum is σ = 143548070400. Its totient is φ = 20734371840.

The previous prime is 66882441341. The next prime is 66882441383. The reversal of 66882441378 is 87314428866.

It is a super-3 number, since 3×66882441378³ (a number of 33 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 504250 + ... + 622922.

It is an arithmetic number, because the mean of its divisors is an integer number (2242938600).

Almost surely, 2^66882441378 is an apocalyptic number.

66882441378 is an abundant number, since it is smaller than the sum of its proper divisors (76665629022).

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

66882441378 is a wasteful number, since it uses less digits than its factorization.

66882441378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118827.

The product of its digits is 12386304, while the sum is 57.

The spelling of 66882441378 in words is "sixty-six billion, eight hundred eighty-two million, four hundred forty-one thousand, three hundred seventy-eight".