66468052853 has 16 divisors (see below), whose sum is σ = 69671828160. Its totient is φ = 63355721856.

The previous prime is 66468052823. The next prime is 66468052873. The reversal of 66468052853 is 35825086466.

It is a cyclic number.

It is not a de Polignac number, because 66468052853 - 2⁶ = 66468052789 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66468052795 and 66468052804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66468052813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251951 + ... + 443187.

It is an arithmetic number, because the mean of its divisors is an integer number (4354489260).

Almost surely, 2^66468052853 is an apocalyptic number.

It is an amenable number.

66468052853 is a deficient number, since it is larger than the sum of its proper divisors (3203775307).

66468052853 is a wasteful number, since it uses less digits than its factorization.

66468052853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191476.

The product of its (nonzero) digits is 8294400, while the sum is 53.

The spelling of 66468052853 in words is "sixty-six billion, four hundred sixty-eight million, fifty-two thousand, eight hundred fifty-three".