8441664001 has 4 divisors (see below), whose sum is σ = 8465852500. Its totient is φ = 8417475504.

The previous prime is 8441663977. The next prime is 8441664037. The reversal of 8441664001 is 1004661448.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5010516225 + 3431147776 = 70785^2 + 58576^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8441664001 is a prime.

It is a super-2 number, since 2×8441664001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8441664061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12093726 + ... + 12094423.

It is an arithmetic number, because the mean of its divisors is an integer number (2116463125).

Almost surely, 2^8441664001 is an apocalyptic number.

It is an amenable number.

8441664001 is a deficient number, since it is larger than the sum of its proper divisors (24188499).

8441664001 is a wasteful number, since it uses less digits than its factorization.

8441664001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24188498.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 8441664001 is about 91878.5285091136. The cubic root of 8441664001 is about 2036.1480562631.

The spelling of 8441664001 in words is "eight billion, four hundred forty-one million, six hundred sixty-four thousand, one".