181386827584054 has 16 divisors (see below), whose sum is σ = 274214319667200. Its totient is φ = 89982342896680.

The previous prime is 181386827584007. The next prime is 181386827584129. The reversal of 181386827584054 is 450485728683181.

181386827584054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70873954 + ... + 73388629.

It is an arithmetic number, because the mean of its divisors is an integer number (17138394979200).

Almost surely, 2^{181386827584054} is an apocalyptic number.

181386827584054 is a deficient number, since it is larger than the sum of its proper divisors (92827492083146).

181386827584054 is a wasteful number, since it uses less digits than its factorization.

181386827584054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144267515.

The product of its (nonzero) digits is 412876800, while the sum is 70.

The spelling of 181386827584054 in words is "one hundred eighty-one trillion, three hundred eighty-six billion, eight hundred twenty-seven million, five hundred eighty-four thousand, fifty-four".