128267715633673 has 8 divisors (see below), whose sum is σ = 159918190920000. Its totient is φ = 99948869324880.

The previous prime is 128267715633671. The next prime is 128267715633709. The reversal of 128267715633673 is 376336517762821.

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

It is a cyclic number.

It is not a de Polignac number, because 128267715633673 - 2¹ = 128267715633671 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128267715633599 and 128267715633608.

It is not an unprimeable number, because it can be changed into a prime (128267715633671) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 832907244298 + ... + 832907244451.

It is an arithmetic number, because the mean of its divisors is an integer number (19989773865000).

Almost surely, 2^{128267715633673} is an apocalyptic number.

It is an amenable number.

128267715633673 is a deficient number, since it is larger than the sum of its proper divisors (31650475286327).

128267715633673 is a wasteful number, since it uses less digits than its factorization.

128267715633673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665814488767.

The product of its digits is 320060160, while the sum is 67.

The spelling of 128267715633673 in words is "one hundred twenty-eight trillion, two hundred sixty-seven billion, seven hundred fifteen million, six hundred thirty-three thousand, six hundred seventy-three".