181347864140104 has 16 divisors (see below), whose sum is σ = 340858607726700. Its totient is φ = 90452235412992.

The previous prime is 181347864140099. The next prime is 181347864140111. The reversal of 181347864140104 is 401041468743181.

181347864140104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 181252315148004 + 95548992100 = 13462998^2 + 309110^2 .

It is a super-2 number, since 2×181347864140104² (a number of 29 digits) contains 22 as substring.

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, 27712078657 + ... + 27712085200.

Almost surely, 2^{181347864140104} is an apocalyptic number.

It is an amenable number.

181347864140104 is a deficient number, since it is larger than the sum of its proper divisors (159510743586596).

181347864140104 is a wasteful number, since it uses less digits than its factorization.

181347864140104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55424164272 (or 55424164268 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 52.

The spelling of 181347864140104 in words is "one hundred eighty-one trillion, three hundred forty-seven billion, eight hundred sixty-four million, one hundred forty thousand, one hundred four".