66868270922 has 8 divisors (see below), whose sum is σ = 100304280516. Its totient is φ = 33433510752.

The previous prime is 66868270919. The next prime is 66868270961. The reversal of 66868270922 is 22907286866.

It is a Cunningham number, because it is equal to 258589²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 66868270921 + 1 = 258589^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164573 + ... + 401024.

Almost surely, 2^66868270922 is an apocalyptic number.

66868270922 is a deficient number, since it is larger than the sum of its proper divisors (33436009594).

66868270922 is a wasteful number, since it uses less digits than its factorization.

66868270922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624712.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 66868270922 in words is "sixty-six billion, eight hundred sixty-eight million, two hundred seventy thousand, nine hundred twenty-two".