1328848665 has 8 divisors (see below), whose sum is σ = 2126157888. Its totient is φ = 708719280.

The previous prime is 1328848613. The next prime is 1328848669. The reversal of 1328848665 is 5668488231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1328848665 - 2⁹ = 1328848153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1328848669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44294941 + ... + 44294970.

It is an arithmetic number, because the mean of its divisors is an integer number (265769736).

Almost surely, 2^1328848665 is an apocalyptic number.

1328848665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1328848665 is a deficient number, since it is larger than the sum of its proper divisors (797309223).

1328848665 is an equidigital number, since it uses as much as digits as its factorization.

1328848665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88589919.

The product of its digits is 2211840, while the sum is 51.

The square root of 1328848665 is about 36453.3765925737. The cubic root of 1328848665 is about 1099.4070261347.

The spelling of 1328848665 in words is "one billion, three hundred twenty-eight million, eight hundred forty-eight thousand, six hundred sixty-five".