66826242486268 has 48 divisors (see below), whose sum is σ = 124237547834400. Its totient is φ = 31362307522560.

The previous prime is 66826242486257. The next prime is 66826242486301. The reversal of 66826242486268 is 86268424262866.

It is a junction number, because it is equal to n+sod(n) for n = 66826242486197 and 66826242486206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148232496 + ... + 148682632.

It is an arithmetic number, because the mean of its divisors is an integer number (2588282246550).

Almost surely, 2^{66826242486268} is an apocalyptic number.

It is an amenable number.

66826242486268 is a deficient number, since it is larger than the sum of its proper divisors (57411305348132).

66826242486268 is a wasteful number, since it uses less digits than its factorization.

66826242486268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468190 (or 468188 counting only the distinct ones).

The product of its digits is 1019215872, while the sum is 70.

The spelling of 66826242486268 in words is "sixty-six trillion, eight hundred twenty-six billion, two hundred forty-two million, four hundred eighty-six thousand, two hundred sixty-eight".