2666488868122 has 16 divisors (see below), whose sum is σ = 4286435692032. Its totient is φ = 1240810330320.

The previous prime is 2666488868119. The next prime is 2666488868123. The reversal of 2666488868122 is 2218688846662.

It is a super-2 number, since 2×2666488868122² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666488868123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 783338154 + ... + 783341557.

It is an arithmetic number, because the mean of its divisors is an integer number (267902230752).

Almost surely, 2^{2666488868122} is an apocalyptic number.

2666488868122 is a deficient number, since it is larger than the sum of its proper divisors (1619946823910).

2666488868122 is a wasteful number, since it uses less digits than its factorization.

2666488868122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1566679773.

The product of its digits is 169869312, while the sum is 67.

The spelling of 2666488868122 in words is "two trillion, six hundred sixty-six billion, four hundred eighty-eight million, eight hundred sixty-eight thousand, one hundred twenty-two".