18286665074 has 8 divisors (see below), whose sum is σ = 27447664860. Its totient is φ = 9137443456.

The previous prime is 18286665071. The next prime is 18286665109. The reversal of 18286665074 is 47056668281.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17810770849 + 475894225 = 133457^2 + 21815^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (18286665071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940659 + ... + 2946870.

Almost surely, 2^18286665074 is an apocalyptic number.

18286665074 is a deficient number, since it is larger than the sum of its proper divisors (9160999786).

18286665074 is a wasteful number, since it uses less digits than its factorization.

18286665074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889084.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 18286665074 in words is "eighteen billion, two hundred eighty-six million, six hundred sixty-five thousand, seventy-four".