180550854338 has 16 divisors (see below), whose sum is σ = 271424545920. Its totient is φ = 90076064256.

The previous prime is 180550854287. The next prime is 180550854391. The reversal of 180550854338 is 833458055081.

It is a happy number.

It is a super-2 number, since 2×180550854338² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9456770 + ... + 9475842.

It is an arithmetic number, because the mean of its divisors is an integer number (16964034120).

Almost surely, 2^180550854338 is an apocalyptic number.

180550854338 is a deficient number, since it is larger than the sum of its proper divisors (90873691582).

180550854338 is a wasteful number, since it uses less digits than its factorization.

180550854338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29281.

The product of its (nonzero) digits is 2304000, while the sum is 50.

The spelling of 180550854338 in words is "one hundred eighty billion, five hundred fifty million, eight hundred fifty-four thousand, three hundred thirty-eight".