66983335 has 8 divisors (see below), whose sum is σ = 80717760. Its totient is φ = 53361504.

The previous prime is 66983333. The next prime is 66983339. The reversal of 66983335 is 53338966.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66983335 - 2¹ = 66983333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66983291 and 66983300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66983333) 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 7 ways as a sum of consecutive naturals, for example, 26832 + ... + 29221.

It is an arithmetic number, because the mean of its divisors is an integer number (10089720).

Almost surely, 2^66983335 is an apocalyptic number.

66983335 is a deficient number, since it is larger than the sum of its proper divisors (13734425).

66983335 is a wasteful number, since it uses less digits than its factorization.

66983335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56297.

The product of its digits is 349920, while the sum is 43.

The square root of 66983335 is about 8184.3347316688. The cubic root of 66983335 is about 406.1211327751.

The spelling of 66983335 in words is "sixty-six million, nine hundred eighty-three thousand, three hundred thirty-five".