66016063 has 2 divisors, whose sum is σ = 66016064. Its totient is φ = 66016062.

The previous prime is 66016043. The next prime is 66016087. The reversal of 66016063 is 36061066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66016063 - 2⁵ = 66016031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66016033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33008031 + 33008032.

It is an arithmetic number, because the mean of its divisors is an integer number (33008032).

Almost surely, 2^66016063 is an apocalyptic number.

66016063 is a deficient number, since it is larger than the sum of its proper divisors (1).

66016063 is an equidigital number, since it uses as much as digits as its factorization.

66016063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 66016063 is about 8125.0269538014. The cubic root of 66016063 is about 404.1567844728.

The spelling of 66016063 in words is "sixty-six million, sixteen thousand, sixty-three".