169173893928 has 64 divisors (see below), whose sum is σ = 455536448640. Its totient is φ = 52045703424.

The previous prime is 169173893879. The next prime is 169173893947. The reversal of 169173893928 is 829398371961.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2250925 + ... + 2324867.

It is an arithmetic number, because the mean of its divisors is an integer number (7117757010).

Almost surely, 2^169173893928 is an apocalyptic number.

It is an amenable number.

169173893928 is an abundant number, since it is smaller than the sum of its proper divisors (286362554712).

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

169173893928 is a wasteful number, since it uses less digits than its factorization.

169173893928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81298 (or 81294 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 66.

The spelling of 169173893928 in words is "one hundred sixty-nine billion, one hundred seventy-three million, eight hundred ninety-three thousand, nine hundred twenty-eight".