18544202126 has 16 divisors (see below), whose sum is σ = 28191775248. Its totient is φ = 9147264000.

The previous prime is 18544202099. The next prime is 18544202143. The reversal of 18544202126 is 62120244581.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36686 + ... + 196046.

It is an arithmetic number, because the mean of its divisors is an integer number (1761985953).

Almost surely, 2^18544202126 is an apocalyptic number.

18544202126 is a deficient number, since it is larger than the sum of its proper divisors (9647573122).

18544202126 is a wasteful number, since it uses less digits than its factorization.

18544202126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160147.

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 18544202126 in words is "eighteen billion, five hundred forty-four million, two hundred two thousand, one hundred twenty-six".