66848624211 has 8 divisors (see below), whose sum is σ = 90642202560. Its totient is φ = 43810397672.

The previous prime is 66848624203. The next prime is 66848624233. The reversal of 66848624211 is 11242684866.

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

It is a cyclic number.

It is not a de Polignac number, because 66848624211 - 2³ = 66848624203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66848624251) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 188837745 + ... + 188838098.

It is an arithmetic number, because the mean of its divisors is an integer number (11330275320).

Almost surely, 2^66848624211 is an apocalyptic number.

66848624211 is a deficient number, since it is larger than the sum of its proper divisors (23793578349).

66848624211 is a wasteful number, since it uses less digits than its factorization.

66848624211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377675905.

The product of its digits is 884736, while the sum is 48.

The spelling of 66848624211 in words is "sixty-six billion, eight hundred forty-eight million, six hundred twenty-four thousand, two hundred eleven".