16231111177128 has 16 divisors (see below), whose sum is σ = 40577777942880. Its totient is φ = 5410370392368.

The previous prime is 16231111177093. The next prime is 16231111177139. The reversal of 16231111177128 is 82177111113261.

It is a self number, because there is not a number n which added to its sum of digits gives 16231111177128.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338148149500 + ... + 338148149547.

It is an arithmetic number, because the mean of its divisors is an integer number (2536111121430).

Almost surely, 2^{16231111177128} is an apocalyptic number.

It is an amenable number.

16231111177128 is an abundant number, since it is smaller than the sum of its proper divisors (24346666765752).

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

16231111177128 is a wasteful number, since it uses less digits than its factorization.

16231111177128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676296299056 (or 676296299052 counting only the distinct ones).

The product of its digits is 28224, while the sum is 42.

The spelling of 16231111177128 in words is "sixteen trillion, two hundred thirty-one billion, one hundred eleven million, one hundred seventy-seven thousand, one hundred twenty-eight".