4423661165 has 64 divisors (see below), whose sum is σ = 6772211712. Its totient is φ = 2693932800.

The previous prime is 4423661159. The next prime is 4423661173. The reversal of 4423661165 is 5611663244.

It is not a de Polignac number, because 4423661165 - 2¹⁰ = 4423660141 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8794304 + ... + 8794806.

It is an arithmetic number, because the mean of its divisors is an integer number (105815808).

Almost surely, 2^4423661165 is an apocalyptic number.

It is an amenable number.

4423661165 is a deficient number, since it is larger than the sum of its proper divisors (2348550547).

4423661165 is a wasteful number, since it uses less digits than its factorization.

4423661165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010.

The product of its digits is 103680, while the sum is 38.

The square root of 4423661165 is about 66510.6094168442. The cubic root of 4423661165 is about 1641.5745789888.

The spelling of 4423661165 in words is "four billion, four hundred twenty-three million, six hundred sixty-one thousand, one hundred sixty-five".