6666666022468 has 12 divisors (see below), whose sum is σ = 11666805067260. Its totient is φ = 3333293146112.

The previous prime is 6666666022439. The next prime is 6666666022493. The reversal of 6666666022468 is 8642206666666.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4503554576964 + 2163111445504 = 2122158^2 + 1470752^2 .

It is a super-2 number, since 2×6666666022468² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9588421 + ... + 10260172.

It is an arithmetic number, because the mean of its divisors is an integer number (972233755605).

Almost surely, 2^{6666666022468} is an apocalyptic number.

It is an amenable number.

6666666022468 is a deficient number, since it is larger than the sum of its proper divisors (5000139044792).

6666666022468 is a wasteful number, since it uses less digits than its factorization.

6666666022468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19932566 (or 19932564 counting only the distinct ones).

The product of its (nonzero) digits is 214990848, while the sum is 64.

The spelling of 6666666022468 in words is "six trillion, six hundred sixty-six billion, six hundred sixty-six million, twenty-two thousand, four hundred sixty-eight".