66037063 has 2 divisors, whose sum is σ = 66037064. Its totient is φ = 66037062.

The previous prime is 66037057. The next prime is 66037091. The reversal of 66037063 is 36073066.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66037063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66037003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33018531 + 33018532.

It is an arithmetic number, because the mean of its divisors is an integer number (33018532).

Almost surely, 2^66037063 is an apocalyptic number.

66037063 is a deficient number, since it is larger than the sum of its proper divisors (1).

66037063 is an equidigital number, since it uses as much as digits as its factorization.

66037063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 31.

The square root of 66037063 is about 8126.3191544512. The cubic root of 66037063 is about 404.1996346131.

The spelling of 66037063 in words is "sixty-six million, thirty-seven thousand, sixty-three".