66113033 has 16 divisors (see below), whose sum is σ = 77822976. Its totient is φ = 54984960.

The previous prime is 66112979. The next prime is 66113041. The reversal of 66113033 is 33031166.

66113033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 66113033 - 2⁸ = 66112777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66113083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63485 + ... + 64517.

It is an arithmetic number, because the mean of its divisors is an integer number (4863936).

Almost surely, 2^66113033 is an apocalyptic number.

It is an amenable number.

66113033 is a deficient number, since it is larger than the sum of its proper divisors (11709943).

66113033 is a wasteful number, since it uses less digits than its factorization.

66113033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 66113033 is about 8130.9921288856. The cubic root of 66113033 is about 404.3545742641.

Adding to 66113033 its reverse (33031166), we get a palindrome (99144199).

The spelling of 66113033 in words is "sixty-six million, one hundred thirteen thousand, thirty-three".