1441173665 has 16 divisors (see below), whose sum is σ = 1755886800. Its totient is φ = 1135337472.

The previous prime is 1441173611. The next prime is 1441173683. The reversal of 1441173665 is 5663711441.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 235070224 + 1206103441 = 15332^2 + 34729^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441173665 - 2¹⁴ = 1441157281 is a prime.

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, 256001 + ... + 261569.

It is an arithmetic number, because the mean of its divisors is an integer number (109742925).

Almost surely, 2^1441173665 is an apocalyptic number.

It is an amenable number.

1441173665 is a deficient number, since it is larger than the sum of its proper divisors (314713135).

1441173665 is an equidigital number, since it uses as much as digits as its factorization.

1441173665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6356.

The product of its digits is 60480, while the sum is 38.

The square root of 1441173665 is about 37962.7931664676. The cubic root of 1441173665 is about 1129.5499460808.

The spelling of 1441173665 in words is "one billion, four hundred forty-one million, one hundred seventy-three thousand, six hundred sixty-five".