18316609162 has 8 divisors (see below), whose sum is σ = 27489464100. Its totient is φ = 9153454464.

The previous prime is 18316609151. The next prime is 18316609169. The reversal of 18316609162 is 26190661381.

It can be written as a sum of positive squares in 2 ways, for example, as 17339359041 + 977250121 = 131679^2 + 31261^2 .

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 (18316609169) 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 3 ways as a sum of consecutive naturals, for example, 2420337 + ... + 2427892.

Almost surely, 2^18316609162 is an apocalyptic number.

18316609162 is a deficient number, since it is larger than the sum of its proper divisors (9172854938).

18316609162 is a wasteful number, since it uses less digits than its factorization.

18316609162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4850120.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 18316609162 in words is "eighteen billion, three hundred sixteen million, six hundred nine thousand, one hundred sixty-two".