66363255236366 has 48 divisors (see below), whose sum is σ = 110643072378720. Its totient is φ = 29827680537600.

The previous prime is 66363255236359. The next prime is 66363255236507.

It is a happy number.

66363255236366 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66363255236299 and 66363255236308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25250111 + ... + 27754181.

It is an arithmetic number, because the mean of its divisors is an integer number (2305064007890).

Almost surely, 2^{66363255236366} is an apocalyptic number.

66363255236366 is a deficient number, since it is larger than the sum of its proper divisors (44279817142354).

66363255236366 is a wasteful number, since it uses less digits than its factorization.

66363255236366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505321 (or 2505310 counting only the distinct ones).

The product of its digits is 377913600, while the sum is 62.

The spelling of 66363255236366 in words is "sixty-six trillion, three hundred sixty-three billion, two hundred fifty-five million, two hundred thirty-six thousand, three hundred sixty-six".