128163540104 has 16 divisors (see below), whose sum is σ = 245419545600. Its totient is φ = 62718327952.

The previous prime is 128163540097. The next prime is 128163540119. The reversal of 128163540104 is 401045361821.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170429864 + ... + 170430615.

It is an arithmetic number, because the mean of its divisors is an integer number (15338721600).

Almost surely, 2^128163540104 is an apocalyptic number.

It is an amenable number.

128163540104 is a deficient number, since it is larger than the sum of its proper divisors (117256005496).

128163540104 is a wasteful number, since it uses less digits than its factorization.

128163540104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340860532 (or 340860528 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 128163540104 in words is "one hundred twenty-eight billion, one hundred sixty-three million, five hundred forty thousand, one hundred four".