18444271706 has 16 divisors (see below), whose sum is σ = 31621655616. Its totient is φ = 7903961856.

The previous prime is 18444271691. The next prime is 18444271709. The reversal of 18444271706 is 60717244481.

It is not an unprimeable number, because it can be changed into a prime (18444271709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114905 + ... + 223811.

It is an arithmetic number, because the mean of its divisors is an integer number (1976353476).

Almost surely, 2^18444271706 is an apocalyptic number.

18444271706 is a deficient number, since it is larger than the sum of its proper divisors (13177383910).

18444271706 is a wasteful number, since it uses less digits than its factorization.

18444271706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121013.

The product of its (nonzero) digits is 301056, while the sum is 44.

The spelling of 18444271706 in words is "eighteen billion, four hundred forty-four million, two hundred seventy-one thousand, seven hundred six".