66753119 has 2 divisors, whose sum is σ = 66753120. Its totient is φ = 66753118.

The previous prime is 66753079. The next prime is 66753121. The reversal of 66753119 is 91135766.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66753119 is a prime.

It is a super-2 number, since 2×66753119² = 8911957792456322, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 66753121, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66753139) 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, 33376559 + 33376560.

It is an arithmetic number, because the mean of its divisors is an integer number (33376560).

Almost surely, 2^66753119 is an apocalyptic number.

66753119 is a deficient number, since it is larger than the sum of its proper divisors (1).

66753119 is an equidigital number, since it uses as much as digits as its factorization.

66753119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 38.

The square root of 66753119 is about 8170.2581966545. The cubic root of 66753119 is about 405.6553308468.

The spelling of 66753119 in words is "sixty-six million, seven hundred fifty-three thousand, one hundred nineteen".