128347644366041 has 8 divisors (see below), whose sum is σ = 129065079199680. Its totient is φ = 127630214075952.

The previous prime is 128347644366017. The next prime is 128347644366163. The reversal of 128347644366041 is 140663446743821.

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 128347644366041 - 2⁶ = 128347644365977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (128347644366341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66862931 + ... + 68755703.

It is an arithmetic number, because the mean of its divisors is an integer number (16133134899960).

Almost surely, 2^{128347644366041} is an apocalyptic number.

It is an amenable number.

128347644366041 is a deficient number, since it is larger than the sum of its proper divisors (717434833639).

128347644366041 is a wasteful number, since it uses less digits than its factorization.

128347644366041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271775.

The product of its (nonzero) digits is 55738368, while the sum is 59.

The spelling of 128347644366041 in words is "one hundred twenty-eight trillion, three hundred forty-seven billion, six hundred forty-four million, three hundred sixty-six thousand, forty-one".