128325165842 has 16 divisors (see below), whose sum is σ = 195587021952. Its totient is φ = 63133086240.

The previous prime is 128325165841. The next prime is 128325165853. The reversal of 128325165842 is 248561523821.

It is not an unprimeable number, because it can be changed into a prime (128325165841) 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, 826883 + ... + 969734.

It is an arithmetic number, because the mean of its divisors is an integer number (12224188872).

Almost surely, 2^128325165842 is an apocalyptic number.

128325165842 is a deficient number, since it is larger than the sum of its proper divisors (67261856110).

128325165842 is a wasteful number, since it uses less digits than its factorization.

128325165842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1797193.

The product of its digits is 921600, while the sum is 47.

The spelling of 128325165842 in words is "one hundred twenty-eight billion, three hundred twenty-five million, one hundred sixty-five thousand, eight hundred forty-two".