66063833 has 24 divisors (see below), whose sum is σ = 76585824. Its totient is φ = 56476800.

The previous prime is 66063799. The next prime is 66063841. The reversal of 66063833 is 33836066.

It is not a de Polignac number, because 66063833 - 2⁸ = 66063577 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 66063793 and 66063802.

It is not an unprimeable number, because it can be changed into a prime (66063433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 617366 + ... + 617472.

It is an arithmetic number, because the mean of its divisors is an integer number (3191076).

Almost surely, 2^66063833 is an apocalyptic number.

It is an amenable number.

66063833 is a deficient number, since it is larger than the sum of its proper divisors (10521991).

66063833 is a wasteful number, since it uses less digits than its factorization.

66063833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 196 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 66063833 is about 8127.9661047522. The cubic root of 66063833 is about 404.2542451703.

Adding to 66063833 its reverse (33836066), we get a palindrome (99899899).

The spelling of 66063833 in words is "sixty-six million, sixty-three thousand, eight hundred thirty-three".