181334444036 has 12 divisors (see below), whose sum is σ = 319833980928. Its totient is φ = 89953306632.

The previous prime is 181334444023. The next prime is 181334444041. The reversal of 181334444036 is 630444433181.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 181334443984 and 181334444002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178478276 + ... + 178479291.

It is an arithmetic number, because the mean of its divisors is an integer number (26652831744).

Almost surely, 2^181334444036 is an apocalyptic number.

It is an amenable number.

181334444036 is a deficient number, since it is larger than the sum of its proper divisors (138499536892).

181334444036 is a wasteful number, since it uses less digits than its factorization.

181334444036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356957698 (or 356957696 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 181334444036 in words is "one hundred eighty-one billion, three hundred thirty-four million, four hundred forty-four thousand, thirty-six".