66000022004426 has 32 divisors (see below), whose sum is σ = 107134414095360. Its totient is φ = 30387707430336.

The previous prime is 66000022004381. The next prime is 66000022004429. The reversal of 66000022004426 is 62440022000066.

It is a junction number, because it is equal to n+sod(n) for n = 66000022004392 and 66000022004401.

It is not an unprimeable number, because it can be changed into a prime (66000022004429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22139690 + ... + 24943253.

It is an arithmetic number, because the mean of its divisors is an integer number (3347950440480).

Almost surely, 2^{66000022004426} is an apocalyptic number.

66000022004426 is a deficient number, since it is larger than the sum of its proper divisors (41134392090934).

66000022004426 is a wasteful number, since it uses less digits than its factorization.

66000022004426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47083998.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 66000022004426 in words is "sixty-six trillion, twenty-two million, four thousand, four hundred twenty-six".