188385168241 has 16 divisors (see below), whose sum is σ = 199459266048. Its totient is φ = 177634742400.

The previous prime is 188385168233. The next prime is 188385168253. The reversal of 188385168241 is 142861583881.

It is a cyclic number.

It is not a de Polignac number, because 188385168241 - 2³ = 188385168233 is a prime.

It is a super-2 number, since 2×188385168241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (188385168271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 906111 + ... + 1094443.

It is an arithmetic number, because the mean of its divisors is an integer number (12466204128).

Almost surely, 2^188385168241 is an apocalyptic number.

It is an amenable number.

188385168241 is a deficient number, since it is larger than the sum of its proper divisors (11074097807).

188385168241 is a wasteful number, since it uses less digits than its factorization.

188385168241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189192.

The product of its digits is 2949120, while the sum is 55.

The spelling of 188385168241 in words is "one hundred eighty-eight billion, three hundred eighty-five million, one hundred sixty-eight thousand, two hundred forty-one".