185080381854 has 8 divisors (see below), whose sum is σ = 370160763720. Its totient is φ = 61693460616.

The previous prime is 185080381697. The next prime is 185080381883. The reversal of 185080381854 is 458183080581.

185080381854 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

185080381854 is an admirable number.

It is a super-3 number, since 3×185080381854³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 185080381797 and 185080381806.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15423365149 + ... + 15423365160.

It is an arithmetic number, because the mean of its divisors is an integer number (46270095465).

Almost surely, 2^185080381854 is an apocalyptic number.

185080381854 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

185080381854 is a wasteful number, since it uses less digits than its factorization.

185080381854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30846730314.

The product of its (nonzero) digits is 1228800, while the sum is 51.

The spelling of 185080381854 in words is "one hundred eighty-five billion, eighty million, three hundred eighty-one thousand, eight hundred fifty-four".