66846235052 has 24 divisors (see below), whose sum is σ = 121095142560. Its totient is φ = 32249154560.

The previous prime is 66846235031. The next prime is 66846235069. The reversal of 66846235052 is 25053264866.

It is a junction number, because it is equal to n+sod(n) for n = 66846234988 and 66846235006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15413 + ... + 365964.

It is an arithmetic number, because the mean of its divisors is an integer number (5045630940).

Almost surely, 2^66846235052 is an apocalyptic number.

It is an amenable number.

66846235052 is a deficient number, since it is larger than the sum of its proper divisors (54248907508).

66846235052 is a wasteful number, since it uses less digits than its factorization.

66846235052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382921 (or 382919 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 66846235052 in words is "sixty-six billion, eight hundred forty-six million, two hundred thirty-five thousand, fifty-two".