66535363 has 2 divisors, whose sum is σ = 66535364. Its totient is φ = 66535362.

The previous prime is 66535327. The next prime is 66535369. The reversal of 66535363 is 36353566.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66535363 - 2⁹ = 66534851 is a prime.

It is not a weakly prime, because it can be changed into another prime (66535369) 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, 33267681 + 33267682.

It is an arithmetic number, because the mean of its divisors is an integer number (33267682).

Almost surely, 2^66535363 is an apocalyptic number.

66535363 is a deficient number, since it is larger than the sum of its proper divisors (1).

66535363 is an equidigital number, since it uses as much as digits as its factorization.

66535363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 37.

The square root of 66535363 is about 8156.9211716186. The cubic root of 66535363 is about 405.2137529370.

The spelling of 66535363 in words is "sixty-six million, five hundred thirty-five thousand, three hundred sixty-three".