188445134671 has 2 divisors, whose sum is σ = 188445134672. Its totient is φ = 188445134670.

The previous prime is 188445134651. The next prime is 188445134693. The reversal of 188445134671 is 176431544881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 188445134671 - 2²⁵ = 188411580239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188445134621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94222567335 + 94222567336.

It is an arithmetic number, because the mean of its divisors is an integer number (94222567336).

Almost surely, 2^188445134671 is an apocalyptic number.

188445134671 is a deficient number, since it is larger than the sum of its proper divisors (1).

188445134671 is an equidigital number, since it uses as much as digits as its factorization.

188445134671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2580480, while the sum is 52.

It can be divided in two parts, 18844 and 5134671, that added together give a palindrome (5153515).

The spelling of 188445134671 in words is "one hundred eighty-eight billion, four hundred forty-five million, one hundred thirty-four thousand, six hundred seventy-one".