66226862044 has 12 divisors (see below), whose sum is σ = 132453724144. Its totient is φ = 28382940864.

The previous prime is 66226862027. The next prime is 66226862189. The reversal of 66226862044 is 44026862266.

66226862044 is an admirable number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66226861985 and 66226862003.

It is a congruent number.

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, 1182622509 + ... + 1182622564.

Almost surely, 2^66226862044 is an apocalyptic number.

It is an amenable number.

66226862044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

66226862044 is a wasteful number, since it uses less digits than its factorization.

66226862044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365245084 (or 2365245082 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 66226862044 in words is "sixty-six billion, two hundred twenty-six million, eight hundred sixty-two thousand, forty-four".