18162628118 has 4 divisors (see below), whose sum is σ = 27243942180. Its totient is φ = 9081314058.

The previous prime is 18162628093. The next prime is 18162628151. The reversal of 18162628118 is 81182626181.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4540657028 + ... + 4540657031.

It is an arithmetic number, because the mean of its divisors is an integer number (6810985545).

Almost surely, 2^18162628118 is an apocalyptic number.

18162628118 is a deficient number, since it is larger than the sum of its proper divisors (9081314062).

18162628118 is an equidigital number, since it uses as much as digits as its factorization.

18162628118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9081314061.

The product of its digits is 73728, while the sum is 44.

The spelling of 18162628118 in words is "eighteen billion, one hundred sixty-two million, six hundred twenty-eight thousand, one hundred eighteen".