181406751804044 has 24 divisors (see below), whose sum is σ = 341891234838048. Its totient is φ = 83723920606080.

The previous prime is 181406751804007. The next prime is 181406751804119. The reversal of 181406751804044 is 440408157604181.

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 7 ways as a sum of consecutive naturals, for example, 45409472 + ... + 49242599.

It is an arithmetic number, because the mean of its divisors is an integer number (14245468118252).

Almost surely, 2^{181406751804044} is an apocalyptic number.

It is an amenable number.

181406751804044 is a deficient number, since it is larger than the sum of its proper divisors (160484483034004).

181406751804044 is a wasteful number, since it uses less digits than its factorization.

181406751804044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94688945 (or 94688943 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 181406751804044 in words is "one hundred eighty-one trillion, four hundred six billion, seven hundred fifty-one million, eight hundred four thousand, forty-four".