66063338 has 12 divisors (see below), whose sum is σ = 108923010. Its totient is φ = 30028680.

The previous prime is 66063331. The next prime is 66063367. The reversal of 66063338 is 83336066.

It can be written as a sum of positive squares in only one way, i.e., 65723449 + 339889 = 8107^2 + 583^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66063298 and 66063307.

It is not an unprimeable number, because it can be changed into a prime (66063331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 136253 + ... + 136736.

Almost surely, 2^66063338 is an apocalyptic number.

66063338 is a deficient number, since it is larger than the sum of its proper divisors (42859672).

66063338 is a wasteful number, since it uses less digits than its factorization.

66063338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273013 (or 273002 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 66063338 is about 8127.9356542729. The cubic root of 66063338 is about 404.2532355087.

The spelling of 66063338 in words is "sixty-six million, sixty-three thousand, three hundred thirty-eight".