66468206222008 has 32 divisors (see below), whose sum is σ = 124649708346000. Its totient is φ = 33228284594688.

The previous prime is 66468206221979. The next prime is 66468206222009. The reversal of 66468206222008 is 80022260286466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66468206222009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380043735 + ... + 1380091897.

Almost surely, 2^{66468206222008} is an apocalyptic number.

It is an amenable number.

66468206222008 is a deficient number, since it is larger than the sum of its proper divisors (58181502123992).

66468206222008 is a wasteful number, since it uses less digits than its factorization.

66468206222008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74791 (or 74787 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 52.

The spelling of 66468206222008 in words is "sixty-six trillion, four hundred sixty-eight billion, two hundred six million, two hundred twenty-two thousand, eight".