66026222246404 has 18 divisors (see below), whose sum is σ = 134410523859150. Its totient is φ = 28296952391232.

The previous prime is 66026222246381. The next prime is 66026222246419. The reversal of 66026222246404 is 40464222262066.

It can be written as a sum of positive squares in only one way, i.e., 51295962894400 + 14730259352004 = 7162120^2 + 3838002^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168434240229 + ... + 168434240620.

Almost surely, 2^{66026222246404} is an apocalyptic number.

It is an amenable number.

66026222246404 is an abundant number, since it is smaller than the sum of its proper divisors (68384301612746).

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

66026222246404 is a wasteful number, since it uses less digits than its factorization.

66026222246404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336868480867 (or 336868480858 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 66026222246404 in words is "sixty-six trillion, twenty-six billion, two hundred twenty-two million, two hundred forty-six thousand, four hundred four".