66446105 has 16 divisors (see below), whose sum is σ = 89985600. Its totient is φ = 46656960.

The previous prime is 66446099. The next prime is 66446123. The reversal of 66446105 is 50164466.

It is not a de Polignac number, because 66446105 - 2⁸ = 66445849 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19235 + ... + 22424.

It is an arithmetic number, because the mean of its divisors is an integer number (5624100).

Almost surely, 2^66446105 is an apocalyptic number.

It is an amenable number.

66446105 is a deficient number, since it is larger than the sum of its proper divisors (23539495).

66446105 is a wasteful number, since it uses less digits than its factorization.

66446105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41704.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 66446105 is about 8151.4480308716. The cubic root of 66446105 is about 405.0324721208.

The spelling of 66446105 in words is "sixty-six million, four hundred forty-six thousand, one hundred five".