180161045718 has 16 divisors (see below), whose sum is σ = 361937888256. Its totient is φ = 59784382440.

The previous prime is 180161045711. The next prime is 180161045749. The reversal of 180161045718 is 817540161081.

It is a super-2 number, since 2×180161045718² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180161045718.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180161045711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67323418 + ... + 67326093.

It is an arithmetic number, because the mean of its divisors is an integer number (22621118016).

Almost surely, 2^180161045718 is an apocalyptic number.

180161045718 is an abundant number, since it is smaller than the sum of its proper divisors (181776842538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180161045718 is a wasteful number, since it uses less digits than its factorization.

180161045718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134649739.

The product of its (nonzero) digits is 53760, while the sum is 42.

The spelling of 180161045718 in words is "one hundred eighty billion, one hundred sixty-one million, forty-five thousand, seven hundred eighteen".