128341641603 has 16 divisors (see below), whose sum is σ = 195589433600. Its totient is φ = 73330124256.

The previous prime is 128341641523. The next prime is 128341641641. The reversal of 128341641603 is 306146143821.

It is a happy number.

It is not a de Polignac number, because 128341641603 - 2⁹ = 128341641091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128341641653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130525 + ... + 523182.

It is an arithmetic number, because the mean of its divisors is an integer number (12224339600).

Almost surely, 2^128341641603 is an apocalyptic number.

128341641603 is a deficient number, since it is larger than the sum of its proper divisors (67247791997).

128341641603 is an equidigital number, since it uses as much as digits as its factorization.

128341641603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 663066.

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 128341641603 in words is "one hundred twenty-eight billion, three hundred forty-one million, six hundred forty-one thousand, six hundred three".