169428666775 has 12 divisors (see below), whose sum is σ = 210222821664. Its totient is φ = 135458240000.

The previous prime is 169428666763. The next prime is 169428666791. The reversal of 169428666775 is 577666824961.

It is not a de Polignac number, because 169428666775 - 2¹⁵ = 169428634007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 169428666775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2076511 + ... + 2156560.

It is an arithmetic number, because the mean of its divisors is an integer number (17518568472).

Almost surely, 2^169428666775 is an apocalyptic number.

169428666775 is a deficient number, since it is larger than the sum of its proper divisors (40794154889).

169428666775 is a wasteful number, since it uses less digits than its factorization.

169428666775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234682 (or 4234677 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 67.

The spelling of 169428666775 in words is "one hundred sixty-nine billion, four hundred twenty-eight million, six hundred sixty-six thousand, seven hundred seventy-five".