66664341 has 12 divisors (see below), whose sum is σ = 96370560. Its totient is φ = 44407080.

The previous prime is 66664321. The next prime is 66664349. The reversal of 66664341 is 14346666.

It is not a de Polignac number, because 66664341 - 2¹¹ = 66662293 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66664296 and 66664305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66664349) 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 in 11 ways as a sum of consecutive naturals, for example, 13726 + ... + 17936.

It is an arithmetic number, because the mean of its divisors is an integer number (8030880).

Almost surely, 2^66664341 is an apocalyptic number.

It is an amenable number.

66664341 is a deficient number, since it is larger than the sum of its proper divisors (29706219).

66664341 is a wasteful number, since it uses less digits than its factorization.

66664341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976 (or 5973 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 66664341 is about 8164.8233906191. The cubic root of 66664341 is about 405.4754179253.

The spelling of 66664341 in words is "sixty-six million, six hundred sixty-four thousand, three hundred forty-one".