66383627 has 2 divisors, whose sum is σ = 66383628. Its totient is φ = 66383626.

The previous prime is 66383579. The next prime is 66383641. The reversal of 66383627 is 72638366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 66383627 - 2⁸ = 66383371 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (66383687) 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, 33191813 + 33191814.

It is an arithmetic number, because the mean of its divisors is an integer number (33191814).

Almost surely, 2^66383627 is an apocalyptic number.

66383627 is a deficient number, since it is larger than the sum of its proper divisors (1).

66383627 is an equidigital number, since it uses as much as digits as its factorization.

66383627 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 41.

The square root of 66383627 is about 8147.6148043461. The cubic root of 66383627 is about 404.9054842188.

The spelling of 66383627 in words is "sixty-six million, three hundred eighty-three thousand, six hundred twenty-seven".