66056063 has 8 divisors (see below), whose sum is σ = 68503968. Its totient is φ = 63643104.

The previous prime is 66056051. The next prime is 66056077. The reversal of 66056063 is 36065066.

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 66056063 - 2⁸ = 66055807 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 (66056563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4856 + ... + 12477.

It is an arithmetic number, because the mean of its divisors is an integer number (8562996).

Almost surely, 2^66056063 is an apocalyptic number.

66056063 is a deficient number, since it is larger than the sum of its proper divisors (2447905).

66056063 is a wasteful number, since it uses less digits than its factorization.

66056063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17473.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 66056063 is about 8127.4881113417. The cubic root of 66056063 is about 404.2383959606.

The spelling of 66056063 in words is "sixty-six million, fifty-six thousand, sixty-three".