180745238768 has 20 divisors (see below), whose sum is σ = 350297337720. Its totient is φ = 90345925824.

The previous prime is 180745238767. The next prime is 180745238771. The reversal of 180745238768 is 867832547081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180745238767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612430 + ... + 1720877.

It is an arithmetic number, because the mean of its divisors is an integer number (17514866886).

Almost surely, 2^180745238768 is an apocalyptic number.

It is an amenable number.

180745238768 is a deficient number, since it is larger than the sum of its proper divisors (169552098952).

180745238768 is a wasteful number, since it uses less digits than its factorization.

180745238768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336704 (or 3336698 counting only the distinct ones).

The product of its (nonzero) digits is 18063360, while the sum is 59.

The spelling of 180745238768 in words is "one hundred eighty billion, seven hundred forty-five million, two hundred thirty-eight thousand, seven hundred sixty-eight".