66330043 has 8 divisors (see below), whose sum is σ = 72127328. Its totient is φ = 60632064.

The previous prime is 66330041. The next prime is 66330109. The reversal of 66330043 is 34003366.

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 66330043 - 2¹ = 66330041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66330041) 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, 23430 + ... + 26107.

It is an arithmetic number, because the mean of its divisors is an integer number (9015916).

Almost surely, 2^66330043 is an apocalyptic number.

66330043 is a deficient number, since it is larger than the sum of its proper divisors (5797285).

66330043 is a wasteful number, since it uses less digits than its factorization.

66330043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49653.

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 66330043 is about 8144.3258161741. The cubic root of 66330043 is about 404.7965100798.

The spelling of 66330043 in words is "sixty-six million, three hundred thirty thousand, forty-three".