169669426856 has 16 divisors (see below), whose sum is σ = 322157140800. Its totient is φ = 83760855984.

The previous prime is 169669426813. The next prime is 169669426859. The reversal of 169669426856 is 658624966961.

169669426856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (169669426859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134231510 + ... + 134232773.

It is an arithmetic number, because the mean of its divisors is an integer number (20134821300).

Almost surely, 2^169669426856 is an apocalyptic number.

It is an amenable number.

169669426856 is a deficient number, since it is larger than the sum of its proper divisors (152487713944).

169669426856 is a wasteful number, since it uses less digits than its factorization.

169669426856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268464368 (or 268464364 counting only the distinct ones).

The product of its digits is 201553920, while the sum is 68.

The spelling of 169669426856 in words is "one hundred sixty-nine billion, six hundred sixty-nine million, four hundred twenty-six thousand, eight hundred fifty-six".