66106441 has 8 divisors (see below), whose sum is σ = 67305600. Its totient is φ = 64917600.

The previous prime is 66106433. The next prime is 66106483. The reversal of 66106441 is 14460166.

66106441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 66106441 - 2³ = 66106433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66146441) 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 7 ways as a sum of consecutive naturals, for example, 10980 + ... + 15898.

It is an arithmetic number, because the mean of its divisors is an integer number (8413200).

Almost surely, 2^66106441 is an apocalyptic number.

It is an amenable number.

66106441 is a deficient number, since it is larger than the sum of its proper divisors (1199159).

66106441 is a wasteful number, since it uses less digits than its factorization.

66106441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 66106441 is about 8130.5867561942. The cubic root of 66106441 is about 404.3411346853.

The spelling of 66106441 in words is "sixty-six million, one hundred six thousand, four hundred forty-one".