66043063 has 8 divisors (see below), whose sum is σ = 68449680. Its totient is φ = 63645120.

The previous prime is 66043013. The next prime is 66043067. The reversal of 66043063 is 36034066.

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 66043063 - 2⁹ = 66042551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66043067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16048 + ... + 19738.

It is an arithmetic number, because the mean of its divisors is an integer number (8556210).

Almost surely, 2^66043063 is an apocalyptic number.

66043063 is a deficient number, since it is larger than the sum of its proper divisors (2406617).

66043063 is a wasteful number, since it uses less digits than its factorization.

66043063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4337.

The product of its (nonzero) digits is 7776, while the sum is 28.

The square root of 66043063 is about 8126.6883168976. The cubic root of 66043063 is about 404.2118758417.

The spelling of 66043063 in words is "sixty-six million, forty-three thousand, sixty-three".