168227779375 has 10 divisors (see below), whose sum is σ = 210217433888. Its totient is φ = 134582223000.

The previous prime is 168227779327. The next prime is 168227779381. The reversal of 168227779375 is 573977722861.

168227779375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 168227779375 - 2¹¹ = 168227777327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 134581599 + ... + 134582848.

Almost surely, 2^168227779375 is an apocalyptic number.

168227779375 is a deficient number, since it is larger than the sum of its proper divisors (41989654513).

168227779375 is an frugal number, since it uses more digits than its factorization.

168227779375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269164467 (or 269164452 counting only the distinct ones).

The product of its digits is 62233920, while the sum is 64.

The spelling of 168227779375 in words is "one hundred sixty-eight billion, two hundred twenty-seven million, seven hundred seventy-nine thousand, three hundred seventy-five".