188044142169 has 16 divisors (see below), whose sum is σ = 273710901632. Its totient is φ = 114134272128.

The previous prime is 188044142113. The next prime is 188044142171. The reversal of 188044142169 is 961241440881.

It is not a de Polignac number, because 188044142169 - 2¹⁷ = 188044011097 is a prime.

It is a super-2 number, since 2×188044142169² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (188044142269) 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, 33022117 + ... + 33027810.

It is an arithmetic number, because the mean of its divisors is an integer number (17106931352).

Almost surely, 2^188044142169 is an apocalyptic number.

It is an amenable number.

188044142169 is a deficient number, since it is larger than the sum of its proper divisors (85666759463).

188044142169 is a wasteful number, since it uses less digits than its factorization.

188044142169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66050016.

The product of its (nonzero) digits is 442368, while the sum is 48.

The spelling of 188044142169 in words is "one hundred eighty-eight billion, forty-four million, one hundred forty-two thousand, one hundred sixty-nine".