180381740671 has 16 divisors (see below), whose sum is σ = 205730005248. Its totient is φ = 156552510400.

The previous prime is 180381740647. The next prime is 180381740689. The reversal of 180381740671 is 176047183081.

It is not a de Polignac number, because 180381740671 - 2⁷ = 180381740543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180381740621) 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, 552421 + ... + 816046.

It is an arithmetic number, because the mean of its divisors is an integer number (12858125328).

Almost surely, 2^180381740671 is an apocalyptic number.

180381740671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

180381740671 is a deficient number, since it is larger than the sum of its proper divisors (25348264577).

180381740671 is a wasteful number, since it uses less digits than its factorization.

180381740671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369022.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 180381740671 in words is "one hundred eighty billion, three hundred eighty-one million, seven hundred forty thousand, six hundred seventy-one".