18074324161 has 16 divisors (see below), whose sum is σ = 19280592000. Its totient is φ = 16895088000.

The previous prime is 18074324137. The next prime is 18074324167. The reversal of 18074324161 is 16142347081.

It is not a de Polignac number, because 18074324161 - 2⁹ = 18074323649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18074324161.

It is not an unprimeable number, because it can be changed into a prime (18074324167) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 406341 + ... + 448621.

It is an arithmetic number, because the mean of its divisors is an integer number (1205037000).

Almost surely, 2^18074324161 is an apocalyptic number.

It is an amenable number.

18074324161 is a deficient number, since it is larger than the sum of its proper divisors (1206267839).

18074324161 is a wasteful number, since it uses less digits than its factorization.

18074324161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42600.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 18074324161 in words is "eighteen billion, seventy-four million, three hundred twenty-four thousand, one hundred sixty-one".