128668148103740 has 96 divisors (see below), whose sum is σ = 320543907876864. Its totient is φ = 42468374626560.

The previous prime is 128668148103713. The next prime is 128668148103779. The reversal of 128668148103740 is 47301841866821.

It is a self number, because there is not a number n which added to its sum of digits gives 128668148103740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159880832 + ... + 160683591.

It is an arithmetic number, because the mean of its divisors is an integer number (3338999040384).

Almost surely, 2^{128668148103740} is an apocalyptic number.

128668148103740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128668148103740 is an abundant number, since it is smaller than the sum of its proper divisors (191875759773124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128668148103740 is a wasteful number, since it uses less digits than its factorization.

128668148103740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320564547 (or 320564545 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 59.

The spelling of 128668148103740 in words is "one hundred twenty-eight trillion, six hundred sixty-eight billion, one hundred forty-eight million, one hundred three thousand, seven hundred forty".