128050046661 has 8 divisors (see below), whose sum is σ = 170735571360. Its totient is φ = 85365609872.

The previous prime is 128050046653. The next prime is 128050046681. The reversal of 128050046661 is 166640050821.

It is a happy number.

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 128050046661 - 2³ = 128050046653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128050046651) 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, 60850 + ... + 509708.

It is an arithmetic number, because the mean of its divisors is an integer number (21341946420).

Almost surely, 2^128050046661 is an apocalyptic number.

It is an amenable number.

128050046661 is a deficient number, since it is larger than the sum of its proper divisors (42685524699).

128050046661 is an equidigital number, since it uses as much as digits as its factorization.

128050046661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543955.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 128050046661 in words is "one hundred twenty-eight billion, fifty million, forty-six thousand, six hundred sixty-one".