66085833 has 16 divisors (see below), whose sum is σ = 96590592. Its totient is φ = 39858000.

The previous prime is 66085823. The next prime is 66085837. The reversal of 66085833 is 33858066.

It is not a de Polignac number, because 66085833 - 2⁵ = 66085801 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 66085791 and 66085800.

It is not an unprimeable number, because it can be changed into a prime (66085837) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2218 + ... + 11708.

It is an arithmetic number, because the mean of its divisors is an integer number (6036912).

Almost surely, 2^66085833 is an apocalyptic number.

It is an amenable number.

66085833 is a deficient number, since it is larger than the sum of its proper divisors (30504759).

66085833 is a wasteful number, since it uses less digits than its factorization.

66085833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9716.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 66085833 is about 8129.3193442010. The cubic root of 66085833 is about 404.2991139280.

The spelling of 66085833 in words is "sixty-six million, eighty-five thousand, eight hundred thirty-three".