180684030055 has 32 divisors (see below), whose sum is σ = 230819466240. Its totient is φ = 135550047360.

The previous prime is 180684030011. The next prime is 180684030073. The reversal of 180684030055 is 550030486081.

It is not a de Polignac number, because 180684030055 - 2⁹ = 180684029543 is a prime.

It is a super-2 number, since 2×180684030055² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 791572 + ... + 993958.

It is an arithmetic number, because the mean of its divisors is an integer number (7213108320).

Almost surely, 2^180684030055 is an apocalyptic number.

180684030055 is a deficient number, since it is larger than the sum of its proper divisors (50135436185).

180684030055 is a wasteful number, since it uses less digits than its factorization.

180684030055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202599.

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 180684030055 in words is "one hundred eighty billion, six hundred eighty-four million, thirty thousand, fifty-five".