66429283 has 8 divisors (see below), whose sum is σ = 68705280. Its totient is φ = 64189320.

The previous prime is 66429277. The next prime is 66429317. The reversal of 66429283 is 38292466.

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 66429283 - 2⁹ = 66428771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66429203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5233 + ... + 12658.

It is an arithmetic number, because the mean of its divisors is an integer number (8588160).

Almost surely, 2^66429283 is an apocalyptic number.

66429283 is a deficient number, since it is larger than the sum of its proper divisors (2275997).

66429283 is a wasteful number, since it uses less digits than its factorization.

66429283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18017.

The product of its digits is 124416, while the sum is 40.

The square root of 66429283 is about 8150.4161243460. The cubic root of 66429283 is about 404.9982888715.

The spelling of 66429283 in words is "sixty-six million, four hundred twenty-nine thousand, two hundred eighty-three".